ThreatExpert Report: Trojan.Zeroaccess!g20, ZeroAccess.hg, Trojan:Win32/Sirefef.BC

Visit ThreatExpert web site

Close Report

Submission Summary:

Submission details:

Submission received: 25 October 2012, 11:04:33
Processing time: 10 min 44 sec
Submitted sample:

File MD5: 0x3053B1EF7E34478C26967829D5BF877B
File SHA-1: 0xB2170B13BD92AA2359543B335AAD1553C25A5140
Filesize: 49,152 bytes
Alias:

Trojan.Zeroaccess!g20 [Symantec]
ZeroAccess.hg [McAfee]
Trojan:Win32/Sirefef.BC [Microsoft]

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 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	[file and pathname of the sample #1]	49,152 bytes	MD5: 0x3053B1EF7E34478C26967829D5BF877B SHA-1: 0xB2170B13BD92AA2359543B335AAD1553C25A5140	Trojan.Zeroaccess!g20 [Symantec] ZeroAccess.hg [McAfee] Trojan:Win32/Sirefef.BC [Microsoft]

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[generic host process]	[generic host process filename]	20,480 bytes

Note:

[generic host process filename] is a full path filename of [generic host process].

The following module was loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
z	%System%\z	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0x6A300000 - 0x6A30E000

Notes:

%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).

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.