Backdoor.Win32.Caphaw_QKKBAL_add6d1417b

by malwarelabrobot on April 7th, 2014 in Malware Descriptions.

Trojan.Win32.Inject.kzkj (Kaspersky), Trojan.Agent.BCNE (AdAware), GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR (Lavasoft MAS)
Behaviour: Trojan, Backdoor


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

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

MD5: add6d1417b776e53e6168c4336a259be
SHA1: acb2c2bea4db1273d3907e6b7545713212ebbce9
SHA256: b065dd3ff590d37ea64aad14c056a24c49699a8be8064fd113fba1b96eb24f81
SSDeep: 3072:H12lety33LY049YEypfrd1tLrBrNndPwu6tPDhgcYpPiuJmxDWg77PJlgMEtebZf:H16Sh9Y1frvTIu6dPLDWiJlC8NMEWi
Size: 234344 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 1970-02-08 21:16:42
Analyzed on: WindowsXP SP3 32-bit


Summary:

Backdoor. Malware that enables a remote control of victim's machine.

Payload

No specific payload has been found.

Process activity

The Backdoor creates the following process(es):

ehqon.exe:308
ehqon.exe:1024
%original file name%.exe:1348
%original file name%.exe:1112
tmpe67c524a.exe:348

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

tmpe67c524a.exe:2004
Explorer.EXE:692

File activity

The process %original file name%.exe:1112 makes changes in the file system.
The Backdoor creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\tmp10f4e2e1.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Incueh\ehqon.exe (234 bytes)

Registry activity

The process ehqon.exe:308 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "38 9D BB D6 36 55 38 EA 4E 08 19 68 BB 1D F9 71"

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

[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\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

The process ehqon.exe:1024 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3E 75 E5 25 DF 7A 12 C7 78 F3 D9 0B 9F A4 8D 65"

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

The process %original file name%.exe:1348 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "24 13 01 AB 3D 4E DF DF 44 73 82 7D EF 54 7D C8"

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

[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\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

The process %original file name%.exe:1112 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "32 61 D2 35 67 F7 6E 4D 13 8F 8E 03 D5 1C C5 73"

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

The process tmpe67c524a.exe:348 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7D C7 D3 AD 0D A6 4F 8B 77 BC 48 C6 EF 93 B8 9A"

[HKCU\Software\Microsoft\Evki]
"Piohuwus" = "A6 DA 8C BC 5C 22 15 92 01 63 7E C1 D5 88 58 E0"

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

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

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

[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\Evki]
"Ceyqko" = "D0 82 CF 81 BC BB 31 CF 96 D0 AA 9F 4C C1 56 E4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"EnableSPDY3_0" = "0"

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

"IntranetName" = "1"

The Backdoor 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 process tmpe67c524a.exe:2004 makes changes in the system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "5A 1F 7C 53 B0 90 66 4F D8 F5 7E C5 F7 07 CD 88"

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

Dropped PE files

MD5 File path
4000e3bbd8062f2eca45283605449963 c:\Documents and Settings\"%CurrentUserName%"\Application Data\Incueh\ehqon.exe
f30760c11bc109881f09dd68e0ddfc14 c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\tmpe67c524a.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Backdoor installs the following user-mode hooks in WININET.dll:

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetWriteFile
InternetWriteFileExA
InternetQueryDataAvailable
HttpOpenRequestW
InternetConnectW
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
InternetConnectA
HttpOpenRequestA

The Backdoor installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Backdoor installs the following user-mode hooks in USER32.dll:

GetClipboardData
TranslateMessage

The Backdoor installs the following user-mode hooks in WS2_32.dll:

WSASend
WSARecv
send
closesocket

The Backdoor installs the following user-mode hooks in kernel32.dll:

GetFileAttributesExW

The Backdoor installs the following user-mode hooks in ntdll.dll:

NtCreateThread

Propagation

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
4096 18688 24576 3.91636 393239ad5ab74473217dcaebceb3d9b3
.rdata 24576 8192 8192 3.10919 2b01e57ab818dc0032d03c45ea62ac5d
.data 32768 88 4096 1.63741 980f31edbd919841561206877adad727
.rsrc 36864 4866 8192 2.23014 8b4f366165e9400cc42a85bb0240641e

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

URL IP
hxxp://www.google.com/webhp 74.125.226.179
hxxp://www.google.ca/webhp?gfe_rd=cr&ei=iM9AU6CzCqSi8wef14GgDg 74.125.226.191
tmp71.edns.su 109.235.51.131


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET POLICY DNS Query for .su TLD (Soviet Union) Often Malware Related
ET RBN Known Russian Business Network IP group 2
ET TROJAN Zeus Bot GET to Google checking Internet connectivity

Traffic

GET /webhp HTTP/1.1
Accept: */*
Connection: Close
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: VVV.google.com
Cache-Control: no-cache


HTTP/1.1 302 Found
Cache-Control: private
Content-Type: text/html; charset=UTF-8
Location: hXXp://VVV.google.ca/webhp?gfe_rd=cr&ei=iM9AU6CzCqSi8wef14GgDg
Content-Length: 263
Date: Sun, 06 Apr 2014 03:52:40 GMT
Server: GFE/2.0
Alternate-Protocol: 80:quic
Connection: close
<HTML><HEAD><meta http-equiv="content-type" content="te
xt/html;charset=utf-8">.<TITLE>302 Moved</TITLE></HE
AD><BODY>.<H1>302 Moved</H1>.The document has mov
ed.<A HREF="hXXp://VVV.google.ca/webhp?gfe_rd=cr&ei=iM9AU6CzCqS
i8wef14GgDg">here</A>...</BODY></HTML>....



GET /webhp?gfe_rd=cr&ei=iM9AU6CzCqSi8wef14GgDg HTTP/1.1
Accept: */*
Connection: Close
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)
Cache-Control: no-cache
Host: VVV.google.ca


HTTP/1.1 200 OK
Date: Sun, 06 Apr 2014 03:52:40 GMT
Expires: -1
Cache-Control: private, max-age=0
Content-Type: text/html; charset=UTF-8
Set-Cookie: PREF=ID=49db4bf8ef1608fb:FF=0:TM=1396756360:LM=1396756360:S=2ycHA0Y4I0kwb5DP; expires=Tue, 05-Apr-2016 03:52:40 GMT; path=/; domain=.google.ca
Set-Cookie: NID=67=tJzpUdJzWSUpTWwmE0KRAMIOFmhQz-7bx4VAfvp-wf1hhrUdppyPVUnmYccnJQ2trrykhJy2Gp4G-Sia5h6bUDD-T128tDJ4IqeIyTSiiIYUnf0UE_Th4mlvwL9oM64r; expires=Mon, 06-Oct-2014 03:52:40 GMT; path=/; domain=.google.ca; HttpOnly
P3P: CP="This is not a P3P policy! See hXXp://VVV.google.com/support/accounts/bin/answer.py?hl=en&answer=151657 for more info."
Server: gws
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
Alternate-Protocol: 80:quic
Connection: close
<!doctype html><html itemscope="" itemtype="hXXp://schema.org
/WebPage" lang="en-CA"><head><meta content="text/html; cha
rset=UTF-8" http-equiv="content-type"><meta content="/images/goo
gle_favicon_128.png" itemprop="image"><title>Google</title
><script>(function(){.window.google={kEI:"iM9AU5iWEarSsASKn4C
ICA",getEI:function(a){for(var b;a&&(!a.getAttribute||!(b=a.getAttribu
te("eid")));)a=a.parentNode;return b||google.kEI},https:function(){ret
urn"https:"==window.location.protocol},kEXPI:"25657,4000116,4007661,40
07830,4008067,4008133,4008142,4009033,4009565,4009641,4010806,4010858,
4010899,4011228,4011258,4011679,4012373,4012504,4013374,4013414,401359
1,4013723,4013747,4013758,4013787,4013823,4013967,4013979,4014016,4014
092,4014431,4014515,4014636,4014671,4014813,4014909,4014991,4015119,40
15155,4015234,4015260,4015444,4015497,4015514,4015519,4015550,4015589,
4015638,4015640,4015642,4015644,4015646,4015685,4015772,4015853,401589
9,4016007,4016127,4016284,4016294,4016309,4016323,4016331,4016367,4016
372,4016452,4016456,4016466,4016487,4016623,4016642,4016721,4016851,83
00015,8300017,8500165,8500223,8500240,8500255,8500283,8500307,10200002
,10200012,10200029,10200040,10200048,10200053,10200055,10200066,102000
83,10200103,10200120,10200134,10200136,10200155,10200157,10200169",kCS
I:{e:"25657,4000116,4007661,4007830,4008067,4008133,4008142,4009033,40
09565,4009641,4010806,4010858,4010899,4011228,4011258,4011679,4012373,
4012504,4013374,4013414,4013591,4013723,4013747,4013758,4013787,40
<<< skipped >>>
tmpe67c524a.exe_2004:

.text
`.data
.reloc
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
http://www.google.com/webhp
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.1
urlmon.dll
x9E%x$y
|'.La
cabinet.dll
%s: %s
.textbss
https
%s://%s
%s://%S
%s--use-spdy=off
http://
https://
HTTP/1.
httponly
sqlite3_close
sqlite3_exec
sqlite3_free
sqlite3_open16
- '?) 6(/)
<59$>‚ 4"
)"/(, .,!)2*
6%"::<865<
/$2.1,:)
,'1-2/9*
24=7 %u
;<)1 &*15
u.VWj
FtPj
GetProcessHeap
PeekNamedPipe
CreatePipe
GetWindowsDirectoryW
KERNEL32.dll
MsgWaitForMultipleObjects
ExitWindowsEx
GetKeyboardState
USER32.dll
RegCreateKeyExW
RegOpenKeyExW
RegCloseKey
RegNotifyChangeKeyValue
RegEnumKeyExW
ADVAPI32.dll
UrlUnescapeA
SHDeleteKeyW
PathIsURLW
SHLWAPI.dll
ShellExecuteW
ShellExecuteExW
SHELL32.dll
Secur32.dll
PSAPI.DLL
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpQueryInfoA
InternetCrackUrlA
HttpOpenRequestA
HttpSendRequestA
HttpSendRequestExA
HttpSendRequestExW
HttpSendRequestW
HttpOpenRequestW
InternetCrackUrlW
HttpAddRequestHeadersA
DeleteUrlCacheEntryA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
4 4$4(4,40444
6o6K6V6c6p6}6
1,2s2
?&?.?4?:?>?
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
%s %s
%USERPROFILE%\AppData\LocalLow\
\rundll32.exe
"%s",%s
advapi32.dll
SOFTWARE\Microsoft\Windows\CurrentVersion\Run
%Documents and Settings%\%current user%\Application Data
{72C7D1E4-8BDA-EDF2-8A17-E5AF7534AFB0}

tmpe67c524a.exe_2004_rwx_00130000_0002C000:

.text
`.data
.reloc
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
http://www.google.com/webhp
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.1
urlmon.dll
x9E%x$y
|'.La
cabinet.dll
%s: %s
.textbss
https
%s://%s
%s://%S
%s--use-spdy=off
http://
https://
HTTP/1.
httponly
sqlite3_close
sqlite3_exec
sqlite3_free
sqlite3_open16
- '?) 6(/)
<59$>‚ 4"
)"/(, .,!)2*
6%"::<865<
/$2.1,:)
,'1-2/9*
24=7 %u
;<)1 &*15
u.VWj
FtPj
GetProcessHeap
PeekNamedPipe
CreatePipe
GetWindowsDirectoryW
KERNEL32.dll
MsgWaitForMultipleObjects
ExitWindowsEx
GetKeyboardState
USER32.dll
RegCreateKeyExW
RegOpenKeyExW
RegCloseKey
RegNotifyChangeKeyValue
RegEnumKeyExW
ADVAPI32.dll
UrlUnescapeA
SHDeleteKeyW
PathIsURLW
SHLWAPI.dll
ShellExecuteW
ShellExecuteExW
SHELL32.dll
Secur32.dll
PSAPI.DLL
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpQueryInfoA
InternetCrackUrlA
HttpOpenRequestA
HttpSendRequestA
HttpSendRequestExA
HttpSendRequestExW
HttpSendRequestW
HttpOpenRequestW
InternetCrackUrlW
HttpAddRequestHeadersA
DeleteUrlCacheEntryA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
Q_0,*.pq|
4 4$4(4,40444
6o6K6V6c6p6}6
1,2s2
?&?.?4?:?>?
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
%s %s
%USERPROFILE%\AppData\LocalLow\
\rundll32.exe
"%s",%s
advapi32.dll
SOFTWARE\Microsoft\Windows\CurrentVersion\Run
:\Documents and Settings\"%CurrentUserName%"\Application Data\Duqi\fazy.eba
%Documents and Settings%\%current user%\Application Data\Duqi
fazy.eba
Global\{84EDEB05-B13B-1BD8-8A17-E5AF7534AFB0}
Global\{72E11EDA-44E4-EDD4-8A17-E5AF7534AFB0}
%Documents and Settings%\%current user%\Application Data
{72C7D1E4-8BDA-EDF2-8A17-E5AF7534AFB0}

tmpe67c524a.exe_2004_rwx_00400000_0002C000:

.text
`.data
.reloc
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
http://www.google.com/webhp
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.1
urlmon.dll
x9E%x$y
|'.La
cabinet.dll
%s: %s
.textbss
https
%s://%s
%s://%S
%s--use-spdy=off
http://
https://
HTTP/1.
httponly
sqlite3_close
sqlite3_exec
sqlite3_free
sqlite3_open16
- '?) 6(/)
<59$>‚ 4"
)"/(, .,!)2*
6%"::<865<
/$2.1,:)
,'1-2/9*
24=7 %u
;<)1 &*15
u.VWj
FtPj
GetProcessHeap
PeekNamedPipe
CreatePipe
GetWindowsDirectoryW
KERNEL32.dll
MsgWaitForMultipleObjects
ExitWindowsEx
GetKeyboardState
USER32.dll
RegCreateKeyExW
RegOpenKeyExW
RegCloseKey
RegNotifyChangeKeyValue
RegEnumKeyExW
ADVAPI32.dll
UrlUnescapeA
SHDeleteKeyW
PathIsURLW
SHLWAPI.dll
ShellExecuteW
ShellExecuteExW
SHELL32.dll
Secur32.dll
PSAPI.DLL
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpQueryInfoA
InternetCrackUrlA
HttpOpenRequestA
HttpSendRequestA
HttpSendRequestExA
HttpSendRequestExW
HttpSendRequestW
HttpOpenRequestW
InternetCrackUrlW
HttpAddRequestHeadersA
DeleteUrlCacheEntryA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
4 4$4(4,40444
6o6K6V6c6p6}6
1,2s2
?&?.?4?:?>?
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
%s %s
%USERPROFILE%\AppData\LocalLow\
\rundll32.exe
"%s",%s
advapi32.dll
SOFTWARE\Microsoft\Windows\CurrentVersion\Run
%Documents and Settings%\%current user%\Application Data
{72C7D1E4-8BDA-EDF2-8A17-E5AF7534AFB0}

Explorer.EXE_692_rwx_00E70000_0002C000:

.text
`.data
.reloc
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
http://www.google.com/webhp
del "%s"
if exist "%s" goto d
del /F "%s"
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
HTTP/1.1
urlmon.dll
x9E%x$y
|'.La
cabinet.dll
%s: %s
.textbss
https
%s://%s
%s://%S
%s--use-spdy=off
http://
https://
HTTP/1.
httponly
sqlite3_close
sqlite3_exec
sqlite3_free
sqlite3_open16
- '?) 6(/)
<59$>‚ 4"
)"/(, .,!)2*
6%"::<865<
/$2.1,:)
,'1-2/9*
24=7 %u
;<)1 &*15
u.VWj
FtPj
GetProcessHeap
PeekNamedPipe
CreatePipe
GetWindowsDirectoryW
KERNEL32.dll
MsgWaitForMultipleObjects
ExitWindowsEx
GetKeyboardState
USER32.dll
RegCreateKeyExW
RegOpenKeyExW
RegCloseKey
RegNotifyChangeKeyValue
RegEnumKeyExW
ADVAPI32.dll
UrlUnescapeA
SHDeleteKeyW
PathIsURLW
SHLWAPI.dll
ShellExecuteW
ShellExecuteExW
SHELL32.dll
Secur32.dll
PSAPI.DLL
WS2_32.dll
PFXImportCertStore
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpQueryInfoA
InternetCrackUrlA
HttpOpenRequestA
HttpSendRequestA
HttpSendRequestExA
HttpSendRequestExW
HttpSendRequestW
HttpOpenRequestW
InternetCrackUrlW
HttpAddRequestHeadersA
DeleteUrlCacheEntryA
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
4 4$4(4,40444
6o6K6V6c6p6}6
1,2s2
?&?.?4?:?>?
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
%s %s
%USERPROFILE%\AppData\LocalLow\
\rundll32.exe
"%s",%s
advapi32.dll
SOFTWARE\Microsoft\Windows\CurrentVersion\Run
%Documents and Settings%\%current user%\Application Data\Duqi\fazy.eba
%Documents and Settings%\%current user%\Application Data\Duqi
fazy.eba
Global\{84EDEB05-B13B-1BD8-8A17-E5AF7534AFB0}
Global\{72E11EDA-44E4-EDD4-8A17-E5AF7534AFB0}
%Documents and Settings%\%current user%\Application Data
{72C7D1E4-8BDA-EDF2-8A17-E5AF7534AFB0}


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. Scan a system with an anti-rootkit tool.
  2. Terminate malicious process(es) (How to End a Process With the Task Manager):

    ehqon.exe:308
    ehqon.exe:1024
    %original file name%.exe:1348
    %original file name%.exe:1112
    tmpe67c524a.exe:348

  3. Delete the original Backdoor file.
  4. Delete or disinfect the following files created/modified by the Backdoor:

    %Documents and Settings%\%current user%\Local Settings\Temp\tmp10f4e2e1.bat (177 bytes)
    %Documents and Settings%\%current user%\Application Data\Incueh\ehqon.exe (234 bytes)

  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.

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