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F-Secure Virus Descriptions : Worm.P2P.Lolol





NAME:Worm.P2P.Lolol
ALIAS:Lolol

This worm spreads via the Kazaa file sharing network.

The worm has a powerful backdoor routine which connects to an IRC channel and listens to commands from its "master".

The worm itself is a Windows PE EXE file about 60Kb of length written in Microsoft Visual C++.

When infected file starts, the installation routine gets control.

 Installation

While installing the worm copies itself to Windows system directory with the "syscfg32.exe" name and registers that file in two system registry auto-run keys:

 HKLM\Software\Microsoft\Windows\CurrentVersion\Run
   Configuration Loader = syscfg32.exe

 HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
   Configuration Loader = syscfg32.exe

 Spreading

The worm copies itself to following directories:

 C:\program files\kazaa\my shared folder\
 C:\program files\kazaa lite\my shared folder
 C:\My Downloads\

with following names:

 play station emulator crack.exe
 play station emulator.exe
 warcraft 3 serials.pif
 warcraft 3 crack.exe
 100 free essays school.pif
 aol password cracker.exe
 aim password cracker
 aol cracker.exe
 aim cracker.exe
 steal usernames.exe
 how to hack.exe
 divx pro.exe
 how to use a shell.pif
 Virtua Girl (Full).exe
 worldbook.exe
 GTA 3 Serial.exe
 GTA 3 Crack.exe
 gta3.exe
 driver.exe
 virtua girl - adriana.pif
 virtua girl - bailey short skirt.pif

e.t.c. (total about 80 different names).

NOTE: F-Secure Anti-Virus definition to detect Lolol will be published on Monday the 9th of December.

[Analysis: Kaspersky Lab, December 2002]