Gen.Variant.FAkeAlert.105_d5b4bccbe6

by malwarelabrobot on September 2nd, 2014 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Gen:Variant.FAkeAlert.105 (B) (Emsisoft), Gen:Variant.FAkeAlert.105 (AdAware), Backdoor.Win32.PcClient.FD (Lavasoft MAS)
Behaviour: Trojan, Backdoor


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: d5b4bccbe6d9d2218e96deeac46b6cc1
SHA1: ffda30556cb6261a52e0dba8745aa9516605b09e
SHA256: ea58dc84f7b1c86710a5823d08afd4c89b9da1dbf61c1fbb2b6984847dae1c52
SSDeep: 49152:MqauozZLQ0kFkXqjTE/PLOP0u6oEh/A16/whGeql3pTsDw:Mpu0ZL6K0Y/PLDzvhY16oh3qdF6
Size: 2476032 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-12-12 22:56:10
Analyzed on: WindowsXPESX SP3 32-bit


Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

taskkill.exe:1704
taskkill.exe:532
taskkill.exe:904
FAPCF MODZ.exe:520
FAPCFPACK.EXE:2016
DYB.exe:1840
RunDll32.exe:744
RunDll32.exe:696
00TZ5CGTPfuLyfbQ8kKV.EXE:128
%original file name%.exe:1336

The Trojan injects its code into the following process(es):
No processes have been created.

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process FAPCF MODZ.exe:520 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%WinDir%\FAPCF\FAPCFPACK.EXE (282 bytes)

The Trojan deletes the following file(s):

%WinDir%\FAPCF\__tmp_rar_sfx_access_check_1412062 (0 bytes)

The process FAPCFPACK.EXE:2016 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%WinDir%\FAPCF\TapXbJybJI5pNzGrvcF4.DB (221 bytes)
%WinDir%\FAPCF\qJXdlc2OnXz60MfVjIYf.DB (157 bytes)
%WinDir%\FAPCF\ERCzL3JyfBqHk43P3Ec3.DB (6358 bytes)
%WinDir%\FAPCF\00TZ5CGTPfuLyfbQ8kKV.EXE (5442 bytes)
%WinDir%\FAPCF\go1.bat (80 bytes)
%WinDir%\FAPCF\FAPCF.DAT (99 bytes)
C:\RCX7D.tmp (121361 bytes)
C:\RCX7E.tmp (122212 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\~DF3565.tmp (0 bytes)
%WinDir%\FAPCF\TapXbJybJI5pNzGrvcF4.DB (0 bytes)
%WinDir%\FAPCF\qJXdlc2OnXz60MfVjIYf.DB (0 bytes)
%WinDir%\FAPCF\ERCzL3JyfBqHk43P3Ec3.DB (0 bytes)

The process DYB.exe:1840 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\All Users\Application Data\NLA\DYB.004 (5118 bytes)

The process 00TZ5CGTPfuLyfbQ8kKV.EXE:128 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6XM9U9Q3\FAPCF[1].HTML (702 bytes)
%System%\drivers\etc\hosts.ics (508 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\8NY507IB\18216[1].htm (810 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\8NY507IB\anti[1].php (506 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6RGX0FS3\263[1].png (324 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6XM9U9Q3\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\8NY507IB\desktop.ini (67 bytes)
%System%\drivers\etc\hosts (508 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6XM9U9Q3\ajax-loader[1].gif (4015 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\F0RK31OK\37481[1].htm (810 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\F0RK31OK\desktop.ini (67 bytes)
%Documents and Settings%\All Users\Desktop\FAPCF ONE.lnk (1 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6RGX0FS3\desktop.ini (67 bytes)

The process %original file name%.exe:1336 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\FAPCF MODZ.exe (1652 bytes)
%WinDir%\BGDLOC\DYB.00 (1 bytes)
%WinDir%\BGDLOC\DYB.exe (15021 bytes)
%WinDir%\BGDLOC\DYB.02 (56 bytes)
%WinDir%\BGDLOC\DYB.01 (81 bytes)

Registry activity

The process taskkill.exe:1704 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "30 18 D0 72 3D 44 5F C6 83 F0 2F BE 9A DE 11 ED"

The process taskkill.exe:532 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "32 DE 3B ED D7 62 99 2F 91 0E 3F CE 79 13 93 57"

The process taskkill.exe:904 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F5 A9 16 AD 3D 62 D6 D2 AC 1E 9C 94 27 17 9D 6F"

The process FAPCF MODZ.exe:520 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "0B C0 D7 40 D4 40 6D 35 78 9E 49 E3 B5 2A B4 77"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%WinDir%\FAPCF]
"FAPCFPACK.EXE" = "FAPCFPACK"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%System%]
"taskkill.exe" = "Kill Process"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

"IntranetName" = "1"

The process FAPCFPACK.EXE:2016 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "6F 9A 3B B8 E5 28 84 F7 3C 5C 4B E2 BD 92 C1 91"

The process DYB.exe:1840 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "40 B6 54 14 13 3F 77 0C 89 F2 A0 3A A7 4A 90 22"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Programs" = "%Documents and Settings%\All Users\Start Menu\Programs"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"DYB Start" = "%WinDir%\BGDLOC\DYB.exe"

The process RunDll32.exe:744 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "51 91 D5 9A 22 9A 66 0B DF 41 E7 66 BA 2C 0D 54"

The process RunDll32.exe:696 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C5 86 9B 1C 20 CC FE 30 84 E8 65 39 E2 12 80 B5"

The process 00TZ5CGTPfuLyfbQ8kKV.EXE:128 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Programs" = "%Documents and Settings%\%current user%\Start Menu\Programs"

[HKLM\SOFTWARE\Microsoft\DirectDraw\MostRecentApplication]
"ID" = "1407345815"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"NetHood" = "%Documents and Settings%\%current user%\NetHood"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 16 00 00 00 01 00 00 00 00 00 00 00"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Start Menu" = "%Documents and Settings%\All Users\Start Menu"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache]
"@xpsp3res.dll,-20001" = "Diagnose Connection Problems..."

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonMusic" = "%Documents and Settings%\All Users\Documents\My Music"
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
"Templates" = "%Documents and Settings%\%current user%\Templates"

[HKLM\SOFTWARE\Microsoft\DirectDraw\MostRecentApplication]
"Name" = "00TZ5CGTPfuLyfbQ8kKV.EXE"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"My Pictures" = "%Documents and Settings%\%current user%\My Documents\My Pictures"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"SendTo" = "%Documents and Settings%\%current user%\SendTo"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Startup" = "%Documents and Settings%\All Users\Start Menu\Programs\Startup"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"PrintHood" = "%Documents and Settings%\%current user%\PrintHood"

"Start Menu" = "%Documents and Settings%\%current user%\Start Menu"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Fonts" = "%WinDir%\Fonts"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonVideo" = "%Documents and Settings%\All Users\Documents\My Videos"
"CommonPictures" = "%Documents and Settings%\All Users\Documents\My Pictures"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A1 91 41 34 7B D8 56 02 90 B2 7B EE 0B 2A B9 64"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Programs" = "%Documents and Settings%\All Users\Start Menu\Programs"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Recent" = "%Documents and Settings%\%current user%\Recent"
"Favorites" = "%Documents and Settings%\%current user%\Favorites"
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

The process %original file name%.exe:1336 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "6C C9 20 2A 67 FE F0 5C 2E B1 C6 F0 CB B1 0D 0B"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\c:]
"FAPCF MODZ.exe" = "FAPCF MODZ"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%WinDir%\BGDLOC]
"DYB.exe" = "DYB"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

Dropped PE files

MD5 File path
1762b39dd37d5e1c63fbfdf021cbfedb c:\FAPCF MODZ.exe
01e52cc38f3fe324a9e26ddb36dc89e5 c:\WINDOWS\BGDLOC\DYB.01
d2953694651198b4e9031578bf52a939 c:\WINDOWS\BGDLOC\DYB.02
9dd994d5ee6dd09ab083d20d6c887db9 c:\WINDOWS\BGDLOC\DYB.exe
0235b2e42d43961cc569f7f63e5e1b41 c:\WINDOWS\FAPCF\00TZ5CGTPfuLyfbQ8kKV.EXE

HOSTS file anomalies

The Trojan modifies "%System%\drivers\etc\hosts" file which is used to translate DNS entries to IP addresses.
The modified file is 506 bytes in size. The following strings are added to the hosts file listed below:

9.9.9.9 mobily.pw
9.9.9.9 patron.tweethashcount.com
9.9.9.9 track.ttswebdesign.com
9.9.9.9 grizzl.thewell-beingcompany.com
9.9.9.9 rdp.thewalkinginstitute.com
9.9.9.9 welcome.thesplitscreenphotobooth.com
9.9.9.9 hello.thesplitscreenphotobooth.com
9.9.9.9 welcome.thecraftbarnwales.com
9.9.9.9 hello.sylvanstructures.com
9.9.9.9 remote.sylvanstructures.com
9.9.9.9 wuah.chekc.co.vu
9.9.9.9 canmacar.com
9.9.9.9 www.canmacar.com
9.9.9.9 phaelixe.com
9.9.9.9 nitrous.cf


Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 4096 40340 40448 4.81966 2d733d29919d8bc133e77c2de5eec471
.rdata 45056 9232 9728 3.72958 88e41e43a2075dc0bf713901dd97f9a1
.data 57344 8032 3584 1.58991 d4668da877d58af66239b78e3837253f
.rsrc 65536 2416044 2416128 5.3535 21634aed8a1932aea5e1de2f7c896b2c
.reloc 2482176 4752 5120 2.51898 8d3f6fb3c0a2cc24688e73c583565978

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

URL IP
hxxp://antiweb.zapto.org/ 8.23.224.90
hxxp://googlecode.l.googleusercontent.com/svn/trunk/anti.php
hxxp://googlecode.l.googleusercontent.com/svn/trunk/FAPCF.HTML
hxxp://whos.amung.us/swidget/fapcfone.png 67.202.94.86
hxxp://ad.a-ads.com/37481?size=990x90 76.74.177.206
hxxp://ad.a-ads.com/18216?size=990x90 76.74.177.206
hxxp://widgets.amung.us/small/02/263.png 173.192.200.70
hxxp://cfpro00007.googlecode.com/svn/trunk/FAPCF.HTML 74.125.22.82
hxxp://cfpro00007.googlecode.com/svn/trunk/anti.php 74.125.22.82
hxxp://fapcf001.ddns.net/ 8.23.224.90


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET / HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: antiweb.zapto.org
Connection: Keep-Alive


HTTP/1.1 302 Found
Date: Mon, 01 Sep 2014 04:53:38 GMT
Server: Apache/2.2.3 (CentOS)
X-Powered-By: PHP/5.1.6
Location: hXXp://cfpro00007.googlecode.com/svn/trunk/anti.php
Content-Length: 0
Connection: close
Content-Type: text/html; charset=UTF-8


GET /small/02/263.png HTTP/1.1
Accept: */*
Referer: hXXp://cfpro00007.googlecode.com/svn/trunk/FAPCF.HTML
Accept-Language: en-us
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Connection: Keep-Alive
Host: widgets.amung.us


HTTP/1.1 200 OK
Server: nginx/1.2.4
Date: Mon, 01 Sep 2014 04:53:40 GMT
Content-Type: image/png
Content-Length: 324
Last-Modified: Sun, 13 Jun 2010 09:48:29 GMT
Connection: keep-alive
Expires: Wed, 01 Oct 2014 04:53:40 GMT
Cache-Control: max-age=2592000
Accept-Ranges: bytes
.PNG........IHDR...P.........D......9PLTE.bM.nX.82.G:................z
c.....z.UC..n.'-00/...555...........IDAT8...... .E.C.=j..?v...7uK....x
r[(M.E.$.!t.B...!3.|U..-.C...21.;..|..........".).g..d} ..U.[... ..@!.
.0.4.:.A>...D.Y.i..4.du]H..v....b....%.../.k.Y......<.a.e.D..-.G
.Z..p>p..!...z.h.1u...S..a/7..Y.I._.......IEND.B`...


GET / HTTP/1.1
Accept: */*
Accept-Language: en-us
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: fapcf001.ddns.net
Connection: Keep-Alive


HTTP/1.1 302 Found
Date: Mon, 01 Sep 2014 04:53:39 GMT
Server: Apache/2.2.3 (CentOS)
X-Powered-By: PHP/5.1.6
Location: hXXp://cfpro00007.googlecode.com/svn/trunk/FAPCF.HTML
Content-Length: 0
Connection: close
Content-Type: text/html; charset=UTF-8


GET /svn/trunk/anti.php HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Connection: Keep-Alive
Host: cfpro00007.googlecode.com


HTTP/1.1 200 OK
Date: Mon, 01 Sep 2014 04:53:38 GMT
Server: Apache
Last-Modified: Fri, 15 Aug 2014 09:50:54 GMT
ETag: "10//trunk/anti.php"
Accept-Ranges: bytes
Expires: Mon, 01 Sep 2014 04:56:38 GMT
Cache-Control: public, max-age=180
Content-Length: 506
Content-Type: text/plain
Alternate-Protocol: 80:quic
9.9.9.9 mobily.pw..9.9.9.9 patron.tweethashcount.com..9.9.9.9 track.tt
swebdesign.com..9.9.9.9 grizzl.thewell-beingcompany.com..9.9.9.9 rdp.t
hewalkinginstitute.com..9.9.9.9 welcome.thesplitscreenphotobooth.com..
9.9.9.9 hello.thesplitscreenphotobooth.com..9.9.9.9 welcome.thecraftba
rnwales.com..9.9.9.9 hello.sylvanstructures.com..9.9.9.9 remote.sylvan
structures.com..9.9.9.9 wuah.chekc.co.vu..9.9.9.9 canmacar.com..9.9.9.
9 VVV.canmacar.com..9.9.9.9 phaelixe.com..9.9.9.9 nitrous.cf..9.9.9.9
godlikeweapon.pw
....



GET /svn/trunk/FAPCF.HTML HTTP/1.1

Accept: */*
Accept-Language: en-us
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: cfpro00007.googlecode.com
Connection: Keep-Alive


HTTP/1.1 200 OK
Date: Mon, 01 Sep 2014 04:53:40 GMT
Server: Apache
Last-Modified: Sun, 31 Aug 2014 06:45:01 GMT
ETag: "22//trunk/FAPCF.HTML"
Accept-Ranges: bytes
Expires: Mon, 01 Sep 2014 04:56:40 GMT
Cache-Control: public, max-age=180
Content-Length: 1870
Content-Type: text/plain
Alternate-Protocol: 80:quic
<html><head><meta http-equiv="content-type" content="te
xt/html;charset=utf-8"><title></title></head><
body>..<script type="text/javascript">.. var webLink = new
Array("hXXp://fpsmodz.net<=>SynBoz crossfire modz working<=&
gt;SynBoz crossfire modz working<=>SynBoz crossfire modz working
");..var randNumber = Math.floor(Math.random() * webLink.length);..
var linkActive = webLink[randNumber];..... function eLinkActive(){.
...document.write("<div id='ACTIVEWEB'>" linkActive "");.. }..
</script><font color="white">..<script type="text/ja
vascript">eLinkActive()</script></font>..<font color
="white">..<div id="NOTE">INFOMATION: (31/08/2014) UPDATE FAP
CF ONE V4.8 - FIX XTRAP - SUPPORT CF: NA - EU - BZ - RU - PH - INDO -
KOREA - TAIWAN - SEA - ES !!!</div>..<div id="DLLINK">htt
p://VVV.fapcf.com</div>..<div id="VERHACK">4.73</div>
;..<div id="VERMODZ">FAPCF ONE V4.8 (31/08/2014) - FIX XTRAP<
/div>..<div id="CTIME">60</div>..<div id="WEBPOP">
;hXXp://VVV.fapcf.com</div>..<div id="LB">linkbucks.com/hL
8y,linkbucks.com/hL8n,linkbucks.com/hL7q,linkbucks.com/hL8y,linkbucks.
com/hL8n,linkbucks.com/hL7q</div>..<div id="ADF">adf.ly/rK
9vX,adf.ly/rK9ur,adf.ly/rK9sM,adf.ly/rK9qD,adf.ly/rK9vX,adf.ly/rK9ur,a
df.ly/rK9sM,adf.ly/rK9qD</div>..</font>..<iframe data-a
a='37481' src='//ad.a-ads.com/37481?size=990x90' scrolling='no' st

<<< skipped >>>

GET /37481?size=990x90 HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/x-ms-application, application/x-ms-xbap, application/vnd.ms-xpsdocument, application/xaml xml, */*
Referer: hXXp://cfpro00007.googlecode.com/svn/trunk/FAPCF.HTML
Accept-Language: en-us
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: ad.a-ads.com
Connection: Keep-Alive


HTTP/1.1 200 OK
Content-Type: text/html;charset=utf-8
Content-Length: 5342
Connection: keep-alive
Status: 200 OK
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Powered-By: Phusion Passenger 4.0.44
Date: Mon, 01 Sep 2014 04:53:40 GMT
Server: nginx/1.6.0   Phusion Passenger 4.0.44
<!DOCTYPE html>.<html lang='en'>.<head>.<style>
;. body{font:13px/1.231 arial,helvetica,clean,sans-serif;*font-size:s
mall;*font:x-small}select,input,textarea,button{font:99% arial,helveti
ca,clean,sans-serif}table{font-size:inherit;font:100%}pre,code,kbd,sam
p,tt{font-family:monospace;*font-size:108%;line-height:100%}html,body{
margin:0;padding:0;background:0 transparent;font-size:16px;font-family
:"Helvetica Neue",Helvetica,Arial,sans-serif}p,a,small{text-align:cent
er}a{color:#0069d6;text-decoration:none;line-height:inherit;font-weigh
t:inherit}a:hover{color:#00438a;text-decoration:underline}.size120x60,
.size120x60 .cell{width:120px;height:60px}.size120x90,.size120x90 .cel
l{width:120px;height:90px}.size120x240,.size120x240 .cell{width:120px;
height:240px}.size120x600,.size120x600 .cell{width:120px;height:600px}
.size125x125,.size125x125 .cell{width:125px;height:125px}.size160x90,.
size160x90 .cell{width:160px;height:90px}.size160x600,.size160x600 .ce
ll{width:160px;height:600px}.size180x90,.size180x90 .cell{width:180px;
height:90px}.size180x150,.size180x150 .cell{width:180px;height:150px}.
size200x90,.size200x90 .cell{width:200px;height:90px}.size200x200,.siz
e200x200 .cell{width:200px;height:200px}.size234x60,.size234x60 .cell{
width:234px;height:60px}.size240x400,.size240x400 .cell{width:240px;he
ight:400px}.size250x250,.size250x250 .cell{width:250px;height:250px}.s
ize300x250,.size300x250 .cell{width:300px;height:250px}.size320x50,.si
ze320x50 .cell{width:320px;height:50px}.size336x280,.size336x280 .

<<< skipped >>>

GET /18216?size=990x90 HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/x-ms-application, application/x-ms-xbap, application/vnd.ms-xpsdocument, application/xaml xml, */*
Referer: hXXp://cfpro00007.googlecode.com/svn/trunk/FAPCF.HTML
Accept-Language: en-us
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: ad.a-ads.com
Connection: Keep-Alive


HTTP/1.1 200 OK
Content-Type: text/html;charset=utf-8
Content-Length: 5355
Connection: keep-alive
Status: 200 OK
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
X-Powered-By: Phusion Passenger 4.0.44
Date: Mon, 01 Sep 2014 04:53:40 GMT
Server: nginx/1.6.0   Phusion Passenger 4.0.44
<!DOCTYPE html>.<html lang='en'>.<head>.<style>
;. body{font:13px/1.231 arial,helvetica,clean,sans-serif;*font-size:s
mall;*font:x-small}select,input,textarea,button{font:99% arial,helveti
ca,clean,sans-serif}table{font-size:inherit;font:100%}pre,code,kbd,sam
p,tt{font-family:monospace;*font-size:108%;line-height:100%}html,body{
margin:0;padding:0;background:0 transparent;font-size:16px;font-family
:"Helvetica Neue",Helvetica,Arial,sans-serif}p,a,small{text-align:cent
er}a{color:#0069d6;text-decoration:none;line-height:inherit;font-weigh
t:inherit}a:hover{color:#00438a;text-decoration:underline}.size120x60,
.size120x60 .cell{width:120px;height:60px}.size120x90,.size120x90 .cel
l{width:120px;height:90px}.size120x240,.size120x240 .cell{width:120px;
height:240px}.size120x600,.size120x600 .cell{width:120px;height:600px}
.size125x125,.size125x125 .cell{width:125px;height:125px}.size160x90,.
size160x90 .cell{width:160px;height:90px}.size160x600,.size160x600 .ce
ll{width:160px;height:600px}.size180x90,.size180x90 .cell{width:180px;
height:90px}.size180x150,.size180x150 .cell{width:180px;height:150px}.
size200x90,.size200x90 .cell{width:200px;height:90px}.size200x200,.siz
e200x200 .cell{width:200px;height:200px}.size234x60,.size234x60 .cell{
width:234px;height:60px}.size240x400,.size240x400 .cell{width:240px;he
ight:400px}.size250x250,.size250x250 .cell{width:250px;height:250px}.s
ize300x250,.size300x250 .cell{width:300px;height:250px}.size320x50,.si
ze320x50 .cell{width:320px;height:50px}.size336x280,.size336x280 .

<<< skipped >>>

GET /swidget/fapcfone.png HTTP/1.1
Accept: */*
Referer: hXXp://cfpro00007.googlecode.com/svn/trunk/FAPCF.HTML
Accept-Language: en-us
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: whos.amung.us
Connection: Keep-Alive


HTTP/1.1 303 See Other
Date: Mon, 01 Sep 2014 04:53:40 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Location: hXXp://widgets.amung.us/small/02/263.png
Set-Cookie: uid=CgH9JlQD 9RIsVctNP0vAg==; expires=Thu, 31-Dec-37 23:55:55 GMT; domain=atta; path=/
0..


The Trojan connects to the servers at the folowing location(s):

RunDll32.exe_696:

.text
`.data
.rsrc
msvcrt.dll
KERNEL32.dll
NTDLL.DLL
GDI32.dll
USER32.dll
IMAGEHLP.dll
rundll32.pdb
.....eZXnnnnnnnnnnnn3
....eDXnnnnnnnnnnnn3
...eDXnnnnnnnnnnnn,
.eDXnnnnnnnnnnnn,
%Xnnnnnnnnnnnnnnn1
O3$dS7"%U9
.manifest
5.1.2600.5512 (xpsp.080413-2105)
RUNDLL.EXE
Windows
Operating System
5.1.2600.5512
YThere is not enough memory to run the file %s.
Please close other windows and try again.
9The file %s or one of its components could not be opened.
0The file %s or one of its components cannot run.
MThe file %s or one of its components requires a different version of Windows.
UThe file %s or one of its components cannot run in standard or enhanced mode Windows.3Another instance of the file %s is already running./An exception occurred while trying to run "%s"
Error in %s
Missing entry:%s
Error loading %s

RunDll32.exe_744:

.text
`.data
.rsrc
msvcrt.dll
KERNEL32.dll
NTDLL.DLL
GDI32.dll
USER32.dll
IMAGEHLP.dll
rundll32.pdb
.....eZXnnnnnnnnnnnn3
....eDXnnnnnnnnnnnn3
...eDXnnnnnnnnnnnn,
.eDXnnnnnnnnnnnn,
%Xnnnnnnnnnnnnnnn1
O3$dS7"%U9
.manifest
5.1.2600.5512 (xpsp.080413-2105)
RUNDLL.EXE
Windows
Operating System
5.1.2600.5512
YThere is not enough memory to run the file %s.
Please close other windows and try again.
9The file %s or one of its components could not be opened.
0The file %s or one of its components cannot run.
MThe file %s or one of its components requires a different version of Windows.
UThe file %s or one of its components cannot run in standard or enhanced mode Windows.3Another instance of the file %s is already running./An exception occurred while trying to run "%s"
Error in %s
Missing entry:%s
Error loading %s


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    taskkill.exe:1704
    taskkill.exe:532
    taskkill.exe:904
    FAPCF MODZ.exe:520
    FAPCFPACK.EXE:2016
    DYB.exe:1840
    RunDll32.exe:744
    RunDll32.exe:696
    00TZ5CGTPfuLyfbQ8kKV.EXE:128
    %original file name%.exe:1336

  2. Delete the original Trojan file.
  3. Delete or disinfect the following files created/modified by the Trojan:

    %WinDir%\FAPCF\FAPCFPACK.EXE (282 bytes)
    %WinDir%\FAPCF\TapXbJybJI5pNzGrvcF4.DB (221 bytes)
    %WinDir%\FAPCF\qJXdlc2OnXz60MfVjIYf.DB (157 bytes)
    %WinDir%\FAPCF\ERCzL3JyfBqHk43P3Ec3.DB (6358 bytes)
    %WinDir%\FAPCF\00TZ5CGTPfuLyfbQ8kKV.EXE (5442 bytes)
    %WinDir%\FAPCF\go1.bat (80 bytes)
    %WinDir%\FAPCF\FAPCF.DAT (99 bytes)
    C:\RCX7D.tmp (121361 bytes)
    C:\RCX7E.tmp (122212 bytes)
    %Documents and Settings%\All Users\Application Data\NLA\DYB.004 (5118 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6XM9U9Q3\FAPCF[1].HTML (702 bytes)
    %System%\drivers\etc\hosts.ics (508 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\8NY507IB\18216[1].htm (810 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\8NY507IB\anti[1].php (506 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6RGX0FS3\263[1].png (324 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6XM9U9Q3\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\8NY507IB\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6XM9U9Q3\ajax-loader[1].gif (4015 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\F0RK31OK\37481[1].htm (810 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\F0RK31OK\desktop.ini (67 bytes)
    %Documents and Settings%\All Users\Desktop\FAPCF ONE.lnk (1 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\6RGX0FS3\desktop.ini (67 bytes)
    C:\FAPCF MODZ.exe (1652 bytes)
    %WinDir%\BGDLOC\DYB.00 (1 bytes)
    %WinDir%\BGDLOC\DYB.exe (15021 bytes)
    %WinDir%\BGDLOC\DYB.02 (56 bytes)
    %WinDir%\BGDLOC\DYB.01 (81 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "DYB Start" = "%WinDir%\BGDLOC\DYB.exe"

  5. Restore the original content of the HOSTS file (%System%\drivers\etc\hosts):
    127.0.0.1 localhost
  6. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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