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PE_ROACH.A

January 23, 2014
 ALIASES:

Worm:Win32/Roach.A@mm(Microsoft), W32.Efortune.31384@mm(Symantec), Email-Worm.Win32.Roach.A(Ikarus), probably unknown NewHeur_PE virus(Eset)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This file infector may be dropped by other malware.

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

  TECHNICAL DETAILS

File Size:

60,416 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

23 Sep 2011

Arrival Details

This file infector may be dropped by other malware.

Installation

This file infector drops the following files:

  • %Windows%\kernel32.dll
  • %Windows%\WININIT.INI
  • %System%\cookie.att
  • %System%\kernel32.vll

(Note: %Windows% is the Windows folder, which is usually C:\Windows.. %System% is the Windows system folder, which is usually C:\Windows\System32.)

Autostart Technique

This file infector adds the following registry entries to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
mmsys = "%User Temp%\mmsys32.exe"

File Infection

This is the Trend Micro detection for files infected by:

  • PE_ROACH

Other Details

This file infector connects to the following possibly malicious URL:

  • {BLOCKED}n.nl.eu.undernet.org
  • pop.{BLOCKED}net.com

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