ThreatExpert Report: Trojan.Gen.2, Trojan.Win32.Pasmu.bhb, VirTool.Win32.Obfuscator..

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Submission Summary:

Submission details:

Submission received: 18 August 2012, 13:36:35
Processing time: 8 min 19 sec
Submitted sample:

File MD5: 0xAFA495B0C8A51AD1C020746DC4AD9C71
File SHA-1: 0x32ED346D5FA8B6F309C4FB8606C9A94648BBC02A
Filesize: 4,807,381 bytes
Alias:

Trojan.Gen.2 [Symantec]
Trojan.Win32.Pasmu.bhb [Kaspersky Lab]
VirTool.Win32.Obfuscator [Ikarus]

Summary of the findings:

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

Technical Details:

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Possible Security Risk

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

Security Risk	Description
Trojan-Downloader.AZ	Trojan.Downloader.AZ downloads various other malware without the users knowledge, including a dialer which sits in your temp directory and can change your ISP phone number on your computer to a high rate phone number.

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%\40.exe	2,262,016 bytes	MD5: 0x67C94C01E689C026F35F54B562ACCB47 SHA-1: 0x96510380655FD89B80BD16F53EB8703B7E3C6390	Packed.Vmpbad!gen4 [Symantec] Generic-FAAF!67C94C01E689 [McAfee] Mal/Behav-363 [Sophos] VirTool.Win32.Obfuscator [Ikarus]
2	%Temp%\41.exe	2,969,088 bytes	MD5: 0x543C180BC6E0898148C611C51308CC82 SHA-1: 0x7CAE4CC1637DCD5B74C052A9CA10114D0F0F2423	Trojan.Gen.2 [Symantec] Trojan.Win32.Pasmu.bhb [Kaspersky Lab] Mal/Behav-027 [Sophos] Trojan.Win32.Swizzor [Ikarus] packed with ASPack [Kaspersky Lab]
3	[file and pathname of the sample #1]	4,807,381 bytes	MD5: 0xAFA495B0C8A51AD1C020746DC4AD9C71 SHA-1: 0x32ED346D5FA8B6F309C4FB8606C9A94648BBC02A	Trojan.Gen.2 [Symantec] Trojan.Win32.Pasmu.bhb [Kaspersky Lab] VirTool.Win32.Obfuscator [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).

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
40.exe	%Temp%\40.exe	8,978,432 bytes
41.exe	%Temp%\41.exe	5,943,296 bytes

Other details

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

SicheatsTrn

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