ThreatExpert Report: Worm.AutoRun.WHY, Worm.Win32.AutoRun.zcu, W32/Autorun.worm.gen..

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Submission Summary:

Submission details:

Submission received: 22 July 2009, 21:36:34
Processing time: 11 min 24 sec
Submitted sample:

File MD5: 0xC6361747D3D9010C5BE3832139723E87
File SHA-1: 0xDFE8482E29BA36BF034B32A0D9F14031A908EF80
Filesize: 572,908 bytes
Alias & packer info:

Worm.AutoRun.WHY [PCTools]
Worm.Win32.AutoRun.zcu [Kaspersky Lab]
W32/Autorun.worm.gen [McAfee]
Backdoor.Generic [Ikarus]
packed with: PE_Patch.UPX [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A network-aware worm that attempts to replicate across the existing network(s)

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\dert.exe	307,200 bytes	MD5: 0xF2C63082B8C7D8B23FB429B5F4C88090 SHA-1: 0xB0325FF9F9634A4472C0C8CA5122895FE9AC2A84	Worm.AutoRun.zcu [PCTools] W32.SillyFDC [Symantec] Worm.Win32.AutoRun.zcu [Kaspersky Lab] Generic VB.l [McAfee] W32/Autorun-ALC [Sophos] VirTool:Win32/VBInject.BB [Microsoft] Worm.Win32.AutoRun [Ikarus] Win32/Autorun.worm.28672.D [AhnLab]
2	[file and pathname of the sample #1]	572,908 bytes	MD5: 0xC6361747D3D9010C5BE3832139723E87 SHA-1: 0xDFE8482E29BA36BF034B32A0D9F14031A908EF80	Worm.AutoRun.WHY [PCTools] Worm.Win32.AutoRun.zcu [Kaspersky Lab] W32/Autorun.worm.gen [McAfee] Backdoor.Generic [Ikarus] packed with PE_Patch.UPX [Kaspersky Lab]

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).

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]	704,512 bytes

Other details

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

United Kingdom

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