ThreatExpert Report: Trojan.Adclicker!sd6, Trojan.Adclicker, Rootkit.Win32.Podnuha.bct, Generic..

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Submission Summary:

Submission details:

Submission received: 10 November 2008, 18:28:28
Processing time: 5 min 37 sec
Submitted sample:

File MD5: 0x44641BB1FC3E0443E8C2222A69AF6CC9
File SHA-1: 0x9D4BC37747B794DC5163C6D4A6BC2B82B0FE49F0
Filesize: 115,200 bytes
Alias:

Trojan.Adclicker!sd6 [PCTools]
Trojan.Adclicker [Symantec]
Rootkit.Win32.Podnuha.bct [Kaspersky Lab]
Generic Dropper [McAfee]
TROJ_PODNUHA.BA [Trend Micro]
Mal/Dropper-AC [Sophos]
Win32.SuspectCrc [Ikarus]

Summary of the findings:

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

Technical Details:

The new window was created, as shown below:

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Possible Security Risk

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

Security Risk	Description
Trojan.Adclicker!sd6	Trojan.Adclicker!sd6 is a malicious program that does not infect other files but may represents security risk for your computer and/or network environment.

Attention! The following threat categories were identified:

Threat Category	Description
	A code with the rootkit-specific techniques designed to hide the software presence in the system
	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	%System%\browsel.dll	91,648 bytes	MD5: 0xD42C3A0BB83F4CB344F46DE1BB6ABCED SHA-1: 0xBEFACD8092A6A239FCCA68DE403138E620B6172D	Rootkit.Podnuha.Gen.2 [PCTools] Rootkit.Win32.Podnuha.bct [Kaspersky Lab] Boaxxe.dll [McAfee] TROJ_PODNUHA.BA [Trend Micro] Mal/Generic-A [Sophos] Virus.Win32.Podnuha.BJ [Ikarus]
2	[file and pathname of the sample #1]	115,200 bytes	MD5: 0x44641BB1FC3E0443E8C2222A69AF6CC9 SHA-1: 0x9D4BC37747B794DC5163C6D4A6BC2B82B0FE49F0	Trojan.Adclicker!sd6 [PCTools] Trojan.Adclicker [Symantec] Rootkit.Win32.Podnuha.bct [Kaspersky Lab] Generic Dropper [McAfee] TROJ_PODNUHA.BA [Trend Micro] Mal/Dropper-AC [Sophos] Win32.SuspectCrc [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
[filename of the sample #1]	[file and pathname of the sample #1]	151,552 bytes

Other details

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

	Russian Federation
	United Kingdom

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

Global\U6EDz6C-D_bhom_9-st

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