ThreatExpert Report: Trojan.Generic, Trojan Horse, Mal/Generic-A, not-a-virus.Crack.WGA..

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Submission Summary:

Submission details:

Submission received: 30 December 2009, 05:45:11
Processing time: 6 min 5 sec
Submitted sample:

File MD5: 0xEA04B59ABA7883134F59F780E5A2F49C
File SHA-1: 0xA7AC332FCC015A84DF6C4F24A7665ADD372C0682
Filesize: 2,248,954 bytes
Alias:

Trojan.Generic [PCTools]
Trojan Horse [Symantec]
Mal/Generic-A [Sophos]
not-a-virus.Crack.WGA [Ikarus]

Summary of the findings:

What's been found	Severity Level
Registers a 32-bit in-process server DLL.
Contains characteristics of an identified security risk.

Technical Details:

The new window was created, as shown below:

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Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\5.tmp\b2e.dll	32,256 bytes	MD5: 0x7B860F28BE19D4AEF761FB991134A556 SHA-1: 0x0658A7456D0234DCCA598B6EE599FE134D0ECD61	Win-Trojan/Hostad.32256 [AhnLab]
2	%Temp%\5.tmp\WGASetup.bat	3,888 bytes	MD5: 0x8E997BFFD1E1F9C627F83CB066EAB040 SHA-1: 0x11862C7DF0A084DA98F02BC55024EA0672FF0ED1	not-a-virus.Crack.WGA [Ikarus]
3	c:\WGASetup.exe	36,352 bytes	MD5: 0xAA6347D753C069016A6E551E4AE38C3B SHA-1: 0xC0FA7A8E058EF403EF28F844BCDEB03268D6824B	Trojan.Generic [PCTools] Trojan Horse [Symantec] Generic Dropper [McAfee] Mal/Generic-A [Sophos] TrojanDropper:Win32/Dunik!rts [Microsoft] not-a-virus.Crack.WGA [Ikarus] Win-Trojan/Xema.variant [AhnLab] packed with UPX [Kaspersky Lab]
4	[file and pathname of the sample #1]	2,248,954 bytes	MD5: 0xEA04B59ABA7883134F59F780E5A2F49C SHA-1: 0xA7AC332FCC015A84DF6C4F24A7665ADD372C0682	Trojan.Generic [PCTools] Trojan Horse [Symantec] Mal/Generic-A [Sophos] not-a-virus.Crack.WGA [Ikarus]

Note:

%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

The following directory was created:

%Temp%\5.tmp

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
WGASetup.exe	c:\wgasetup.exe	106,496 bytes
wgatray.exe	%System%\wgatray.exe	421,888 bytes
[generic host process]	[generic host process filename]	20,480 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	155,648 bytes

Notes:

%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).
[generic host process filename] is a full path filename of [generic host process].

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\LegitCheckControl.DLL
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{2DE6426A-0708-415C-8C19-623CC4855F80}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck.1\CLSID
HKEY_CURRENT_USER\Software\WinRAR SFX

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\LegitCheckControl.DLL]

AppID = "{2DE6426A-0708-415C-8C19-623CC4855F80}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{2DE6426A-0708-415C-8C19-623CC4855F80}]

(Default) = "LegitCheckControl"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\VersionIndependentProgID]

(Default) = "LegitCheckControl.LegitCheck"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\TypeLib]

(Default) = "{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\ProgID]

(Default) = "LegitCheckControl.LegitCheck.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}\InprocServer32]

(Default) = "%System%\LegitCheckControl.dll"
ThreadingModel = "Apartment"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{17492023-C23A-453E-A040-C7C580BBF700}]

(Default) = "Windows Genuine Advantage Validation Tool"
AppID = "{2DE6426A-0708-415C-8C19-623CC4855F80}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\TypeLib]

(Default) = "{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ProxyStubClsid32]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}\ProxyStubClsid]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{36CFF953-FB06-45AD-896F-94A0259AB3DD}]

(Default) = "ILegitCheck"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\0\win32]

(Default) = "%System%\LegitCheckControl.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\HELPDIR]

(Default) = "%System%\"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0\FLAGS]

(Default) = "0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5E649A63-7EE9-43F4-9926-0DEAA462A8FB}\1.0]

(Default) = "Windows Genuine Advantage Validation Tool"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck\CurVer]

(Default) = "LegitCheckControl.LegitCheck.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck\CLSID]

(Default) = "{17492023-C23A-453E-A040-C7C580BBF700}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck]

(Default) = "Windows Genuine Advantage Validation Tool"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck.1\CLSID]

(Default) = "{17492023-C23A-453E-A040-C7C580BBF700}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\LegitCheckControl.LegitCheck.1]

(Default) = "Windows Genuine Advantage Validation Tool"

[HKEY_CURRENT_USER\Software\WinRAR SFX]

C%% = "C:\"

Other details

Analysis of the file resources indicate the following possible country of origin:

Russian Federation

To mark the presence in the system, the following Mutex object was created:

_!SHMSFTHISTORY!_

The following GET requests were made:

genuine/validate/?displaylang=en&sGuid=78b8bdab-a468-467c-96a3-00e1aaa63fb5
genuine/validate/index.jpg

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