Submission Summary:

• Submission details:
• Submission received: 30 January 2009, 02:25:43
• Processing time: 5 min 53 sec
• Submitted sample:
• File MD5: 0x0A212F77881C40EDC428D6BB3150D2F4
• File SHA-1: 0x1094EEF389233F072F6EC8E6BB958FBFAAD4319C
• Filesize: 32,768 bytes
• Alias:
• Trojan.Pandex [Symantec]
• Virus.Win32.Virut.bx [Kaspersky Lab]
• FakeAlert-AG.gen.c [McAfee]
• PE_VIRUT.BA [Trend Micro]
• W32/Virut-Gen [Sophos]
• Virus:Win32/Virut.AU [Microsoft]
• Trojan-Dropper.Win32.Cutwail.AL [Ikarus]

• Summary of the findings:

What's been found	Severity Level
Creates a startup registry entry.
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
Trojan-Downloader.Agent.BWH	Trojan-Downloader.Agent.BWH contacts a remote server in its attempt to secretly download additional threats onto affected machines.

• Attention! The following threat categories were identified:

Threat Category	Description
	A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body
	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 file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\rs32net.exe [file and pathname of the sample #1]	32,768 bytes	MD5: 0x0A212F77881C40EDC428D6BB3150D2F4 SHA-1: 0x1094EEF389233F072F6EC8E6BB958FBFAAD4319C	Trojan.Pandex [Symantec] Virus.Win32.Virut.bx [Kaspersky Lab] FakeAlert-AG.gen.c [McAfee] PE_VIRUT.BA [Trend Micro] W32/Virut-Gen [Sophos] Virus:Win32/Virut.AU [Microsoft] Trojan-Dropper.Win32.Cutwail.AL [Ikarus]

• Note:
• %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).

Memory Modifications

• There was a new process created in the system:

Process Name	Process Filename	Main Module Size
rs32net.exe	%System%\rs32net.exe	N/A

Registry Modifications

• The newly created Registry Value is:
• [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• rs32net = "%System%\rs32net.exe"

so that rs32net.exe runs every time Windows starts

Other details

• There were registered attempts to establish connection with the remote hosts. The connection details are: