MD5: bb03cadaeb9a37cd4a7943897db2231b
SHA1: 5923fadf36d0955ef2ef6d0aecb34ba4724ad506
SHA256: fabf832b13936a02c9eb6a79ce7810098a5c91975598bb8da6add7f4e6faf6bc
SSDeep: 12288:SK2mhAMJ/cPlL W8h7UZYE82Y5UKULuYRQegxPSlSq:T2O/GlL t7g6zwzRQegxP2Sq
Size: 500408 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: System Applet
Created at: 2012-06-09 16:19:49
Analyzed on: WindowsXP SP3 32-bit

Summary:

Worm. A program that is primarily replicating on networks or removable drives.

Payload

No specific payload has been found.

Process activity

The Worm creates the following process(es):

taskkill.exe:896
taskkill.exe:1296
taskkill.exe:1648
taskkill.exe:352
taskkill.exe:176
taskkill.exe:1564
%original file name%.exe:1612
WScript.exe:1084
zdrm.com:1096
mshta.exe:448
mshta.exe:1056
mshta.exe:476
mshta.exe:532
mshta.exe:1504
mshta.exe:496

The Worm injects its code into the following process(es):

svchost.exe:1800

Mutexes

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

File activity

The process %original file name%.exe:1612 makes changes in the file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\aerhn\zdrm.com (15361 bytes)
%Documents and Settings%\%current user%\aerhn\7715156.HOH (46348 bytes)
%Documents and Settings%\%current user%\aerhn\76201.IDB (9 bytes)
%Documents and Settings%\%current user%\aerhn\49995.HOR (110 bytes)
%Documents and Settings%\%current user%\aerhn\2913719.vbe (57 bytes)

The Worm deletes the following file(s):

%Documents and Settings%\%current user%\aerhn\__tmp_rar_sfx_access_check_1392531 (0 bytes)

The process zdrm.com:1096 makes changes in the file system.
The Worm creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\aerhn\start.cmd (64 bytes)
%Documents and Settings%\%current user%\aerhn\start.vbs (189 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\Startup\start.lnk (411 bytes)

The Worm deletes the following file(s):

%Documents and Settings%\%current user%\Start Menu\Programs\Startup\start.lnk (0 bytes)

Registry activity

The process taskkill.exe:896 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B7 6E A0 4E 4D 41 60 E3 0A 30 41 D2 1A 82 D5 88"

The process taskkill.exe:1296 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3E 2E B2 32 DD E2 DA D8 15 93 54 3C E3 B3 FA D0"

The process taskkill.exe:1648 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3B 0F 9F DE 29 31 8A 53 D3 F4 63 7A 53 2C F3 4A"

The process taskkill.exe:352 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3C 15 B3 84 8F 7A AB A7 C9 7D 97 AE 06 2F 44 88"

The process taskkill.exe:176 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "50 3D 04 6A 33 45 3F B3 DC 5F DC C9 ED 67 58 C7"

The process taskkill.exe:1564 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8F 91 55 6F 9E 62 BC C9 AA 8C 22 CE 1C AD BA 6D"

The process %original file name%.exe:1612 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E1 81 78 D2 DF CC 83 DE D9 5E 45 32 4B 04 CD 84"

[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"

[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\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-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]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

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

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

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%System%]
"wscript.exe" = "Microsoft (R) Windows Based Script Host"

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

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

"ProxyBypass" = "1"

The process WScript.exe:1084 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "10 A3 FE DE 33 F8 18 5E 9C 9F 13 09 3E 90 E1 91"

The process zdrm.com:1096 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%System%]
"mshta.exe" = "Microsoft (R) HTML Application host"

[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"

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

[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\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"

[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"

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

[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"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "1B 4D 1B 46 34 82 89 84 8E F6 6A 84 AC 53 A4 51"

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

[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"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce]
"aerhn" = "C:\DOCUME~1\"%CurrentUserName%"\aerhn\start.vbs"

The Worm 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"

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

"IntranetName" = "1"

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

"ProxyBypass" = "1"

The process mshta.exe:448 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "33 81 00 61 3A F4 CD A0 D7 5D 04 96 A7 2A 09 12"

The process mshta.exe:1056 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "11 81 54 16 02 5A D1 3C 15 27 AE 5F 04 8B 55 4F"

The process mshta.exe:476 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "30 DB 1B CD 1B C5 8F 82 D9 A4 4D 87 F3 CF 71 21"

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "39 E9 B9 11 1C D8 39 BB B3 1D 6B 08 7C C7 A2 09"

The process mshta.exe:1504 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7B DB 7A 70 04 1C 7F 97 25 10 DE E5 3F 55 98 7E"

The process mshta.exe:496 makes changes in the system registry.
The Worm creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B4 6E 1E 15 D7 7C 92 EE A8 93 F1 C4 8D FE 61 0B"

Dropped PE files

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name:
Product Name:
Product Version:
Legal Copyright:
Legal Trademarks:
Original Filename:
Internal Name:
File Version:
File Description:
Comments:
Language: Language Neutral

PE Sections

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 1
0c2f7a74e31fbf65a797be401f035c1f

URLs

URL	IP
hxxp://www.update.microsoft.com.nsatc.net/
hxxp://windowsupdate.microsoft.com/	157.56.107.155
xvidmovies.in	72.52.4.120

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET / HTTP/1.1

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: windowsupdate.microsoft.com

Accept: text/html, application/xml;q=0.9, application/xhtml xml

Accept-Language: en-gb;q=0.8,en;q=0.7

Accept-Encoding: identity

Connection: close

HTTP/1.1 302 Object moved

Cache-Control: private

Content-Length: 151

Content-Type: text/html

Location: /windowsupdate/v6/default.aspx

Server: Microsoft-IIS/7.5

Set-Cookie: ASPSESSIONIDQAQACASQ=DENFCGACJIAFGICNKKPAPLCL; path=/

X-Powered-By: ASP.NET

Date: Sat, 26 Jul 2014 22:24:07 GMT

Connection: close
<head><title>Object moved</title></head>.<b
ody><h1>Object Moved</h1>This object may be found <a
 HREF="/windowsupdate/v6/default.aspx">here</a>.</body>
...

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

.text

`.rdata

@.data

.rsrc

@.reloc

s%j.Zf

8crtsu

:crts

crts

GetProcessWindowStation

operator

uxtheme.dll

kernel32.dll

operand of unlimited repeat could match the empty string

POSIX named classes are supported only within a class

erroffset passed as NULL

POSIX collating elements are not supported

this version of PCRE is not compiled with PCRE_UTF8 support

PCRE does not support \L, \l, \N{name}, \U, or \u

support for \P, \p, and \X has not been compiled

this version of PCRE is not compiled with PCRE_UCP support

ICMP.DLL

advapi32.dll

RegDeleteKeyExW

Error text not found (please report)

WSOCK32.dll

VERSION.dll

WINMM.dll

COMCTL32.dll

MPR.dll

InternetCrackUrlW

HttpQueryInfoW

HttpOpenRequestW

HttpSendRequestW

FtpOpenFileW

FtpGetFileSize

InternetOpenUrlW

WININET.dll

PSAPI.DLL

USERENV.dll

GetProcessHeap

CreatePipe

GetWindowsDirectoryW

KERNEL32.dll

OpenWindowStationW

SetProcessWindowStation

CloseWindowStation

MapVirtualKeyW

EnumChildWindows

EnumWindows

VkKeyScanW

GetKeyState

GetKeyboardState

SetKeyboardState

GetAsyncKeyState

keybd_event

EnumThreadWindows

ExitWindowsEx

UnregisterHotKey

RegisterHotKey

GetKeyboardLayoutNameW

USER32.dll

SetViewportOrgEx

GDI32.dll

COMDLG32.dll

RegOpenKeyExW

RegCloseKey

RegCreateKeyExW

RegEnumKeyExW

RegDeleteKeyW

ADVAPI32.dll

ShellExecuteW

SHFileOperationW

ShellExecuteExW

SHELL32.dll

ole32.dll

OLEAUT32.dll

GetCPInfo

zcÁ

L.aVFY)

.ijjrc

g%D`-

sssh6

uW.MW

3.3/464(5,5054585

8 8$8(8,808

= =$=(=,=0=4=8=<=@=

0 0$0(0,0004080<0

:*;3;?;|;

11

2 323[3.5

? ?
= =$=(=,=0=4=
5 5$5(5,5054585
CADjD%D
mscoree.dll
nKERNEL32.DLL
- Attempt to initialize the CRT more than once.
- CRT not initialized
- floating point support not loaded
WUSER32.DLL
CMDLINERAW
CMDLINE
/AutoIt3ExecuteLine
/AutoIt3ExecuteScript
%s (%d) : ==> %s.:
Line %d:
Line %d (File "%s"):
%s (%d) : ==> %s:
AutoIt script files (*.au3, *.a3x)
*.au3;*.a3x
All files (*.*)
#NoAutoIt3Execute
APPSKEY
Line %d:
04090000
%u.%u.%u.%u
0.0.0.0
Mddddd
%s (%d) : ==> %s:
UDPSTARTUP
UDPSHUTDOWN
UDPSEND
UDPRECV
UDPOPEN
UDPCLOSESOCKET
UDPBIND
TRAYGETMSG
TCPSTARTUP
TCPSHUTDOWN
TCPSEND
TCPRECV
TCPNAMETOIP
TCPLISTEN
TCPCONNECT
TCPCLOSESOCKET
TCPACCEPT
SHELLEXECUTEWAIT
SHELLEXECUTE
REGENUMKEY
MSGBOX
ISKEYWORD
HTTPSETUSERAGENT
HTTPSETPROXY
HOTKEYSET
GUIREGISTERMSG
GUIGETMSG
GUICTRLSENDMSG
GUICTRLRECVMSG
FTPSETPROXY
\??\%s
GUI_RUNDEFMSG
SendKeyDelay
SendKeyDownDelay
TCPTimeout
AUTOITCALLVARIABLE%d
255.255.255.255
Keyword
AutoIt.Error
Null Object assignment in FOR..IN loop
Incorrect Object type in FOR..IN loop
HOTKEYPRESSED
AUTOITEXE
WINDOWSDIR
3, 3, 8, 1
HKEY_LOCAL_MACHINE
HKEY_CLASSES_ROOT
HKEY_CURRENT_CONFIG
HKEY_CURRENT_USER
HKEY_USERS
%d/d/d
%Documents and Settings%\%current user%\aerhn\zdrm.com
:%Documents and Settings%\%current user%\aerhn\7715156.HOH
AutoIt supports the __stdcall (WINAPI) and __cdecl calling conventions. The __stdcall (WINAPI) convention is used by default but __cdecl can be used instead. See the DllCall() documentation for details on changing the calling convention.
Missing operator in expression."Unbalanced brackets in expression.
Error parsing function call.0Incorrect number of parameters in function call.'"ReDim" used without an array variable.>Illegal text at the end of statement (one statement per line).1"If" statement has no matching "EndIf" statement.1"Else" statement with no matching "If" statement.2"EndIf" statement with no matching "If" statement.7Too many "Else" statements for matching "If" statement.3"While" statement has no matching "Wend" statement.4"Wend" statement with no matching "While" statement.%Variable used without being declared.XArray variable has incorrect number of subscripts or subscript dimension range exceeded.)Array variable subscript badly formatted.'Subscript used with non-Array variable.&Too many subscripts used for an array.0Missing subscript dimensions in "Dim" statement.NNo variable given for "Dim", "Local", "Global", "Struct" or "Const" statement.0Expected a "=" operator in assignment statement.*Invalid keyword at the start of this line.
Invalid element in a DllStruct.*Unknown option or bad parameter specified.&Unable to load the internet libraries./"Struct" statement has no matching "EndStruct".HUnable to open file, the maximum number of open files has been exceeded.K"ContinueLoop" statement with no matching "While", "Do" or "For" statement.
Invalid file filter given.*Expected a variable in user function call.1"Do" statement has no matching "Until" statement.2"Until" statement with no matching "Do" statement.#"For" statement is badly formatted.2"Next" statement with no matching "For" statement.N"ExitLoop/ContinueLoop" statements only valid from inside a For/Do/While loop.1"For" statement has no matching "Next" statement.@"Case" statement with no matching "Select"or "Switch" statement.:"EndSelect" statement with no matching "Select" statement.ORecursion level has been exceeded - AutoIt will quit to prevent stack overflow.&Cannot make existing variables static.4Cannot make static variables into regular variables.
3This keyword cannot be used after a "Then" keyword.>"Select" statement is missing "EndSelect" or "Case" statement. "If" statements must have a "Then" keyword. Badly formated Struct statement."Cannot assign values to constants..Cannot make existing variables into constants.9Only Object-type variables allowed in a "With" statement.v"long_ptr", "int_ptr" and "short_ptr" DllCall() types have been deprecated. Use "long*", "int*" and "short*" instead.-Object referenced outside a "With" statement.)Nested "With" statements are not allowed."Variable must be of type "Object".1The requested action with this object has failed.8Variable appears more than once in function declaration.2ReDim array can not be initialized in this manner.1An array variable can not be used in this manner.
Can not redeclare a constant.5Can not redeclare a parameter inside a user function.HCan pass constants by reference only to parameters with "Const" keyword.*Can not initialize a variable with itself.$Incorrect way to use this parameter.:"EndSwitch" statement with no matching "Switch" statement.>"Switch" statement is missing "EndSwitch" or "Case" statement.H"ContinueCase" statement with no matching "Select"or "Switch" statement.
String missing closing quote.!Badly formated variable or macro.*Missing separator character after keyword.
http://www.autoitscript.com/autoit3/
AutoIt3.exe

svchost.exe_1800:


.text
`.data
.rsrc
ADVAPI32.dll
KERNEL32.dll
NTDLL.DLL
RPCRT4.dll
NETAPI32.dll
ole32.dll
ntdll.dll
RegCloseKey
RegOpenKeyExW
GetProcessHeap
NtOpenKey
svchost.pdb
\PIPE\
Software\Microsoft\Windows NT\CurrentVersion\Svchost
\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\
5.1.2600.5512 (xpsp.080413-2111)
svchost.exe
Windows
Operating System
5.1.2600.5512

svchost.exe_1800_rwx_00090000_00006000:


(!.XP.
urlmon
p0.dJy
%WinDir%\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

svchost.exe_1800_rwx_00840000_00010000:


.idata
.edata
P.reloc
P.rsrc
urlmon
:Zone.Identifier
Mozilla/4.0
cmd=getload&login=
cmd=getplugins
http://windowsupdate.microsoft.com/
GET /%s HTTP/1.1
User-Agent: %s
Host: %s
POST /%s HTTP/1.1
Content-Length: %d
Content-Type: application/x-www-form-urlencoded
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
Software\Microsoft\Windows\CurrentVersion\Run
XXXXX
advapi32.dll
%s%s%c
%s%s%d
%s%s%s%s%s%d
%s%s%s
p0.dJyN7H{o7 f
XDg."]g;Krg;_r4.WP}W)}nW0y~K N]
Stub.dll
5 55W5c5o5w5|5
%s\%s
regsvr32 /s %s

svchost.exe_1800_rwx_00850000_0000D000:


.idata
.edata
P.reloc
P.rsrc
urlmon
:Zone.Identifier
Mozilla/4.0
cmd=getload&login=
cmd=getplugins
http://windowsupdate.microsoft.com/
GET /%s HTTP/1.1
User-Agent: %s
Host: %s
POST /%s HTTP/1.1
Content-Length: %d
Content-Type: application/x-www-form-urlencoded
Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
Software\Microsoft\Windows\CurrentVersion\Run
XXXXX
advapi32.dll
%s%s%c
%s%s%d
%s%s%s%s%s%d
%s%s%s
p0.dJyN7H{o7 f
XDg."]g;Krg;_r4.WP}W)}nW0y~K N]
A67A25.exe
A67A25.dat
Wxvidmovies.in
dir/index.php
POST /dir/index.php HTTP/1.1
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: xvidmovies.in
Stub.dll
5 55W5c5o5w5|5
%s\%s
regsvr32 /s %s

svchost.exe_1800_rwx_00880000_00001000:


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)

svchost.exe_1800_rwx_008B0000_00001000:


A67A25.exe

svchost.exe_1800_rwx_008C0000_00001000:


A67A25.dat

svchost.exe_1800_rwx_00900000_00001000:


%Documents and Settings%\%current user%\Application Data\A67A25\A67A25.dat

svchost.exe_1800_rwx_00910000_00001000:


http://freecodecs.in/dir/index.php

svchost.exe_1800_rwx_00920000_00001000:


%Documents and Settings%\%current user%\Application Data\A67A25\A67A25.exe

svchost.exe_1800_rwx_01000000_00006000:


.text
`.data
.rsrc
ADVAPI32.dll
KERNEL32.dll
NTDLL.DLL
RPCRT4.dll
NETAPI32.dll
ole32.dll
ntdll.dll
RegCloseKey
RegOpenKeyExW
GetProcessHeap
NtOpenKey
svchost.pdb
\PIPE\
Software\Microsoft\Windows NT\CurrentVersion\Svchost
\Registry\Machine\System\CurrentControlSet\Control\SecurePipeServers\
5.1.2600.5512 (xpsp.080413-2111)
svchost.exe
Windows
Operating System
5.1.2600.5512

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:896
   taskkill.exe:1296
   taskkill.exe:1648
   taskkill.exe:352
   taskkill.exe:176
   taskkill.exe:1564
   %original file name%.exe:1612
   WScript.exe:1084
   zdrm.com:1096
   mshta.exe:448
   mshta.exe:1056
   mshta.exe:476
   mshta.exe:532
   mshta.exe:1504
   mshta.exe:496
   

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

   %Documents and Settings%\%current user%\aerhn\zdrm.com (15361 bytes)
   %Documents and Settings%\%current user%\aerhn\7715156.HOH (46348 bytes)
   %Documents and Settings%\%current user%\aerhn\76201.IDB (9 bytes)
   %Documents and Settings%\%current user%\aerhn\49995.HOR (110 bytes)
   %Documents and Settings%\%current user%\aerhn\2913719.vbe (57 bytes)
   %Documents and Settings%\%current user%\aerhn\start.cmd (64 bytes)
   %Documents and Settings%\%current user%\aerhn\start.vbs (189 bytes)
   %Documents and Settings%\%current user%\Start Menu\Programs\Startup\start.lnk (411 bytes)

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

   [HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce]
   "aerhn" = "C:\DOCUME~1\"%CurrentUserName%"\aerhn\start.vbs"

5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   
6. Reboot the computer.
   

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