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W32/Semail-A

Aliases
  • Email-Worm.Win32.Semail.a
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Email attachments
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 19 December 2006 06:25:05 (GMT)
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Action

More Information

W32/Semail-A is an email worm for the Windows platform.

W32/Semail-A includes functionality to access the internet and communicate with a remote server via HTTP. W32/Semail-A is an email worm for the Windows platform.

W32/Semail-A includes functionality to access the internet and communicate with a remote server via HTTP.

The email may also contain the following properties:

Subject line consisting of one of the following:
Le nostre foto <recipient>
Le foto che volevi <recipient>

An attachment named:
ierifoto.zip

An email body written in italian referencing a remote website.

When first run W32/Semail-A copies itself to <System>\Winsystens\gratis-tutto.EXE and <Windows>\$hf_mig$\KB090545\target.dat.

W32/Semail-A may modify <System>\drivers\etc\hosts.

W32/Semail-A also creates the following files :

<Windows>\$hf_mig$\KB090545\semail.exe
<Windows>\$hf_mig$\KB090545\semail.tpl
<User>\Application Data\Microsoft\Internet Explorer\Quick Launch\Foto.lnk
<Desktop>\Foto.lnk
<Start Menu\Programs>\Foto.lnk

The file semail.exe is also detected as W32/Semail-A. The file semail.tpl is a non-malicious text file that contains temporary SMTP data created when W32/Semail-A emails itself. The files Foto.lnk are shortcuts to W32/Semail-A to encourage the user to launch the worm.

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