Glieder.H

Threat description

Details

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 e-mail message that was spammed to numerous people. The e-mail contains an archive named FOTO.ZIP. Inside there's an HTML file and an EXE file named FOTO1.EXE.

Removal

Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

More scanning & removal options

More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.

Technical Details

This FOTO1.EXE file that was spammed in e-mails 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.

Detection

F-Secure Anti-Virus detects Glieder.H starting from the following update:

Detection Type: PC

Database: 2004-08-31_05

Submit a Sample

Suspect a file or URL was wrongly detected? Send it to our Labs for further analysis

Submit a Sample

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.

More Info