Sophos

Troj/SpamToo-U

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 21 February 2007 06:50:53 (GMT)
Detected by All Sophos products
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Action

More Information

Troj/SpamToo-U is a spamming Trojan for the Windows platform.

When run Troj/SpamToo-U creates the following files:

<Temp>\Zupastik.exe - detected as Troj/SpamToo-U
<System>\rsvp32_2.dll - detected as Troj/SpamToo-U
<System>\sporder.dll - clean file
<Temp>\wallpapers_030226_rover_brodyaga.jpg - clean image file

Troj/SpamToo-U also attempts to display the file <Temp>\wallpapers_030226_rover_brodyaga.jpg with the default image editor.

Once installed Troj/SpamToo-U registers <System>\rsvp32_2.dll as a (LSP) Layered Service Provider and sets the following registry entries to startup whenever a network stream is initialised:

HKLM\SYSTEM\CurrentControlSet\Services\WinSock2\Parameters\
Protocol_Catalog9\Catalog_Entries\

Troj/SpamToo-U may creates entries under:

HKLM\SOFTWARE\WinSock2\Buibert\

Troj/SpamToo-U then attempts to send spam messages via instant messaging client applications including Yahoo! Messenger and also via webmail hosting sites including webmail.tiscali.co.uk, ComcastWebMail, Google Mail and Care2WebMail.

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