Threat Description

Email-Worm:​W32/Zhelatin.TQ

Details

Aliases: Email-Worm:​W32/Zhelatin.TQ
Category: Malware
Type: Worm, Email-Worm
Platform: W32

Summary


Zhelatin.TQ, like its predecessors, is a bot that communicates via Overnet P2P protocol and is mainly used to send spam.



Removal


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More

Detailed instructions for F-Secure security products are available in the documentation found in the Downloads section of our Home - Global site.

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



Technical Details


Zhelatin.TQ does the following upon initial installation:

  • Disables Windows File Protection
  • Drops its rootkit component%SystemDirectory%\diperto[random]-[random].sys
  • Drops its configuration file%SystemDirectory%\diperto.ini
  • Exits the current process

To enable execution of startup, the loader component will create a Windows service to automatically execute the driver on next reboot resulting in the addition of the following registry keys / sub keys in:

  • HKLM\System\CurrentControlSet\Services\diperto[random]-[random]

The malware then tries to communicate with the other peers via the Overnet P2P protocol on how to proceed. It is basically downloading other component/configuration details via the P2P network. The malware has the ability to do the following:

  • Harvest e-mail addresses but avoid those that contain certain strings
  • Download messages to be used in spam
  • Send spam e-mails





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