W32/Apsiv.worm!p2p

This page shows details and results of our analysis on the malware W32/Apsiv.worm!p2p

Overview

This is a virus detection. Viruses are programs that self-replicate recursively, meaning that infected systems spread the virus to other systems, which then propagate the virus further. While many viruses contain a destructive payload, it's quite common for viruses to do nothing more than spread from one system to another.


Minimum DAT

4313 (2004-01-07)

Updated DAT

4314 (2004-01-14)

Minimum Engine

5.1.00

File Length

119,296

Description Added

2004-02-03

Description Modified

2004-02-03

Malware Proliferation

Characteristics

This is a peer-to-peer file sharing worm that spreads via KaZaa network.  When run, it locates the KaZaa download directory from the registry.  It copies itself to the directory using various file names.  The file names used are:

  • ACDSee 6.0 PowerPack Reg-Code Generator.exe
  • Adobe Photoshop CS (8.0) Reg-Code Generator.exe
  • aViS 0_0_1 alpha1.exe
  • Battlefield 1942 CD-KEY Generator.exe
  • Call of Duty CD-KEY Generator (WORKING!!).exe
  • CloneCD 4.3.1.7 Reg-Code Generator (WORKING!!).exe
  • Fifa 2004 CD-KEY Generator (WORKING!!).exe
  • Fifa Football 2004 CD-KEY Generator.exe
  • Getright 5.02 Reg-Code Generator (NEW WORKING!!!).exe
  • Half Life 2 HACKED SOURCE CODE SELF-EXTRACTOR.exe
  • Halo PC CD-KEY Generator.exe
  • Lord Of The Rings The Return Of The King CD-KEY Generator.exe
  • Max Payne 2 CD-KEY Generator.exe
  • Microsoft Office 2003 Professional ACTIVATION-KEY Generator.exe
  • Need For Speed Underground CD-KEY Generator (WORKING!!).exe
  • Nero 6 Ultra Edition Reg-Code Generator.exe
  • Nero 6.xx Reg-Code Generator.exe
  • Norton AntiVirus 2004 Pro Activation Key & Serial.exe
  • Norton Antivirus 2004 PRO Reg-Code Generator (WORKING!!).exe
  • Norton Anti-Virus 2004 Reg-Code Generator (WORKING!!).exe
  • Norton Internet Security Reg-Code Generator (WORKING!!).exe
  • Norton SystemWorks 2004 Pro Reg-Code Generator.exe
  • Registry Mechanic 2.1 Reg-Code Generator.exe
  • Windows XP Pro ACTIVATION-KEY GENERATOR !!!.exe

The worm also copies itself as :

  • %WinSys%\__sys.exe

where %WinSys% is the Windows system directory.

Symptoms

Existence of the files mentioned above.

Method of Infection

The worm spreads via KaZaa network.

Removal

All Users:
Use current engine and DAT files for detection and removal.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

But in some particular cases, the following steps need to be taken.

Please go to the Microsoft Recovery Console and restore a clean MBR.

On Windows XP:

  • Insert the Windows XP CD into the CD-ROM drive and restart the computer.
  • When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
  • Select the Windows installation that is compromised and provide the administrator password.
  • Issue 'fixmbr' command to restore the Master Boot Record
  • Follow onscreen instructions.
  • Reset and remove the CD from CD-ROM drive.


On Windows Vista and 7:

  • Insert the Windows CD into the CD-ROM drive and restart the computer.
  • Click on "Repair Your Computer".
  • When the System Recovery Options dialog comes up, choose the Command Prompt.
  • Issue 'bootrec /fixmbr' command to restore the Master Boot Record.
  • Follow onscreen instructions.
  • Reset and remove the CD from CD-ROM drive.

Variants