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Glieder.H

Classification

Category: Malware

Type: -

Aliases: Glieder.H, Trojan.Win32.Glieder.h, W32/Glieder.H, TrojanDropper.Win32.Small.kv, TrojanDownloader.Win32.Agent.cj

Summary


We have received samples of Glieder.H variant late on August 31st 2004. Originally it was detected by us as 'Bagle.AK', but then the name was changed to 'Glieder.H'. The origin was an email message that was spammed to numerous people. The email contains an archive named FOTO.ZIP. Inside there's an HTML file and an EXE file named FOTO1.EXE.

Removal


Automatic action

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Technical Details


This FOTO1.EXE file that was spammed in emails is a dropper. It drops and activates a DLL component that kills processes belonging to updating components of several anti-virus programs:

ATUPDATER.EXE
AUPDATE.EXE
AUTOTRACE.EXE
AUTOUPDATE.EXE
FIREWALL.EXE
ATUPDATER.EXE
LUALL.EXE
DRWEBUPW.EXE
AUTODOWN.EXE
NUPGRADE.EXE
OUTPOST.EXE
ICSSUPPNT.EXE
ICSUPP95.EXE
ESCANH95.EXE
AVXQUAR.EXE
ESCANHNT.EXE
UPGRADER.EXE
AVXQUAR.EXE
AVWUPD32.EXE
AVPUPD.EXE
CFIAUDIT.EXE
UPDATE.EXE
NUPGRADE.EXE
MCUPDATE.EXE

Then it attempts to download to download a file from several websites. The list of URLs is hardcoded in the program's body.