Virus.Win32.Alman

Detect Date 06/19/2007
Class Virus
Platform Win32
Description

The virus infects all write accessible Windows executable files (PE-EXE) on all disks on the victim computer and in accessible network folders. The virus does not infect files with the following names:

wooolcfg.exe



woool.exe



ztconfig.exe



patchupdate.exe



trojankiller.exe



xy2player.exe



flyff.exe



xy2.exe



au_unins_web.exe



cabal.exe



cabalmain9x.exe



cabalmain.exe



meteor.exe



patcher.exe



mjonline.exe



config.exe



zuonline.exe



userpic.exe



main.exe



dk2.exe



autoupdate.exe



dbfsupdate.exe



asktao.exe



sealspeed.exe



xlqy2.exe



game.exe



wb-service.exe



nbt-dragonraja2006.exe



dragonraja.exe



mhclient-connect.exe



hs.exe



mts.exe



gc.exe



zfs.exe



neuz.exe



maplestory.exe



nsstarter.exe



nmcosrv.exe



ca.exe



nmservice.exe



kartrider.exe



audition.exe



zhengtu.exe

The virus writes its executable file to the beginning of the file being infected, displacing the original contents of the file downwards.

In order to infect files located in network folders, the virus attempts to connect to remote machines using the Administrator account and one of the following passwords:

zxcv



qazwsx



qaz



qwer



!@#$%^&*()



!@#$%^&*(



!@#$%^&*



!@#$%^&



!@#$%^



!@#$%



aasdf 



sdfgh



!@#$



654321



123456



12345



1234



123



111

The virus also sends information to the remote malicious user’s site about the amount of free space on the C disk, the operating system and Internet Explorer versions on the victim machine, and about the presence of drivers in the system which have one of the names listed below:

Hooksys



KWatch3



KregEx



KLPF



NaiAvFilter1



NAVAP



AVGNTMGR



AvgTdi



nod32drv



PavProtect



TMFilter



BDFsDrv



VETFDDNT

This information is sent in the following request to the remote malicious user’s site:

http://****mrw0rldwide.com/co.asp?action=post&HD=<amount of free space> &OT=<operating system version> &IV=<version of Internet Explorer> &AV=<installed drivers>

The virus also gets a list of files to be downloaded from the following link:

http://****mrw0rldwide.com/z.dat

It then downloads files from the list, saves them to the Windows temporary directory and launches them for execution.

At the time of writing, the virus downloaded files from the following links:

http://down****net/css.jpg



http://down****net/wow.jpg

and saved them as shown below:

%Temp%css.jpg – this file is 62 792 bytes in size. It will be detected by Kaspersky Anti-Virus as Trojan-PSW.Win32.OnLineGames.afd;

%Temp%wow.jpg – this file is 40 241 bytes in size. It will be detected by Kaspersky Anti-Virus as Trojan-PSW.Win32.WOW.sv.