ThreatExpert Report: Virus.Win32.Virut.by, W32.Virut.W, FakeAlert-AG.gen.c, W32/Virut-Gen..

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Submission Summary:

Submission details:

Submission received: 22 November 2008, 21:50:10
Processing time: 5 min 28 sec
Submitted sample:

File MD5: 0xE9294B850D38ED4DB1475A5264F2F7CD
File SHA-1: 0x132C61B59D98AD0C9DD87E3CEBB8F20F2D0F3B43
Filesize: 27,136 bytes
Alias:

W32.Virut.W [Symantec]
Virus.Win32.Virut.by [Kaspersky Lab]
FakeAlert-AG.gen.c [McAfee]
W32/Virut-Gen [Sophos]
Virus:Win32/Virut.BF [Microsoft]
Trojan.Win32.Crypt [Ikarus]

Summary of the findings:

What's been found	Severity Level
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	Trojan.Downloader.Agent downloads and installs other malware onto infected machine.

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 file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\Cpl32ver.exe [file and pathname of the sample #1]	27,136 bytes	MD5: 0xE9294B850D38ED4DB1475A5264F2F7CD SHA-1: 0x132C61B59D98AD0C9DD87E3CEBB8F20F2D0F3B43	W32.Virut.W [Symantec] Virus.Win32.Virut.by [Kaspersky Lab] FakeAlert-AG.gen.c [McAfee] W32/Virut-Gen [Sophos] Virus:Win32/Virut.BF [Microsoft] Trojan.Win32.Crypt [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 were new processes created in the system:

Process Name	Process Filename	Main Module Size
Cpl32ver.exe	%System%\cpl32ver.exe	57,344 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	57,344 bytes

Registry Modifications

The newly created Registry Value is:

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

Cpl32ver = "%System%\cpl32ver.exe"

Other details

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

Remote Host	Port Number
216.195.55.50	80
208.66.194.240	80
216.195.56.22	80

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