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F-Secure Malware Information Pages: Email-Worm:W32/Zhelatin.TQ
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Summary
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| Zhelatin.TQ, like its predecessors, is a bot that communicates via Overnet P2P protocol and is mainly used to send spam. |
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Detailed Description
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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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F-Secure Corporation |
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Last Modified: February 15, 2008
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