ThreatExpert Report: TrojanSpy.Ardamax.WQ, Virus.Win32.Virut.q, W32.Virut.U, W32/Virut.gen..

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Submission Summary:

Submission details:

Submission received: 29 May 2009, 03:10:05
Processing time: 6 min 16 sec
Submitted sample:

File MD5: 0x4F5A9A497A97A121C23B8F210F5213ED
File SHA-1: 0x1775ABB492D2566B8A52B1160C1A16F82C1B91EB
Filesize: 569,344 bytes
Alias:

TrojanSpy.Ardamax.WQ [PCTools]
W32.Virut.U [Symantec]
Virus.Win32.Virut.q [Kaspersky Lab]
W32/Virut.gen [McAfee]
PE_VIRUT.XO [Trend Micro]
W32/Vetor-A [Sophos]
Virus:Win32/Virut.L [Microsoft]
Trojan-Spy.Ardamax.J [Ikarus]
Win32/Virut.D [AhnLab]

Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.
There were some system executable files modified, which might indicate the presence of a PE-file infector.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Application.Ardamax_Keylogger	Ardamax Keylogger is a keystroke recorder that captures user's activity and saves it to an encrypted log file. The log file can be viewed with the powerful Log Viewer.

Attention! The following threat category was identified:

Threat Category	Description
	A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%CommonPrograms%\Ardamax Keylogger\Ardamax Keylogger.lnk	654 bytes	MD5: 0xC02FC8664F2FDB4429BECCFC60FFC08E SHA-1: 0x9C5AC3C5E980EFA211A18B919E1D051F33F96F78	(not available)
2	%System%\[filename of the sample #1 without extension].001	2,596 bytes	MD5: 0x347C06CD9A748770B70EA02CEC549CB9 SHA-1: 0x4994F0DC2CFD277E8347A783EF5F5EE65C23078E	(not available)
3	[file and pathname of the sample #1]	569,344 bytes	MD5: 0x4F5A9A497A97A121C23B8F210F5213ED SHA-1: 0x1775ABB492D2566B8A52B1160C1A16F82C1B91EB	TrojanSpy.Ardamax.WQ [PCTools] W32.Virut.U [Symantec] Virus.Win32.Virut.q [Kaspersky Lab] W32/Virut.gen [McAfee] PE_VIRUT.XO [Trend Micro] W32/Vetor-A [Sophos] Virus:Win32/Virut.L [Microsoft] Trojan-Spy.Ardamax.J [Ikarus] Win32/Virut.D [AhnLab]

Notes:

%CommonPrograms% is a variable that refers to the file system directory that contains the directories for the common program groups that appear on the Start menu for all users. A typical path is C:\Documents and Settings\All Users\Start Menu\Programs (Windows NT/2000/XP).
%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).

The following files were modified:

The following directories were created:

%CommonPrograms%\Ardamax Keylogger
c:\System Volume Information\.
c:\System Volume Information\..

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	610,304 bytes

Registry Modifications

The following Registry Key was created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Ardamax Keylogger

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]

[filename of the sample #1 without extension] Agent = "[file and pathname of the sample #1]"

so that [file and pathname of the sample #1] runs every time Windows starts

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Ardamax Keylogger]

DisplayName = "Ardamax Keylogger 2.9"
UninstallString = "%System%\Uninstall.exe"

Other details

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

Germany

To mark the presence in the system, the following Mutex objects were created:

Local\{E3893ABF-53E0-4228-9A27-1C69FB1D67C2}
oleacc-msaa-loaded

The following Host Name was requested from a host database:

proxim.ircgalaxy.pl

There was application-defined hook procedure installed into the hook chain (e.g. to monitor keystrokes). The installed hook is handled by the following module:

[file and pathname of the sample #1]

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