TROJ_ZACCESS.KM

October 09, 2012
 Analysis by: Joseph Obed
 ALIASES:

Trojan:Win32/Sirefef.P(Microsoft), Trojan.Zeroaccess(Symantec), ZeroAccess.ex(McAfee)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It is a component of other malware. It may be injected into processes running in memory.

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

49,664 bytes

File Type:

DLL

Initial Samples Received Date:

28 Jun 2012

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan is a component of other malware.

It may be injected into processes running in memory.

Other Details

This Trojan requires its main component to successfully perform its intended routine.