Troj/DwnLdr-BYD

Aliases	Backdoor.Win32.Delf.co
Category	Viruses and Spyware
Type	Trojan
What to do	If you've received an alert for a virus or spyware, then follow the instructions for removing the threat.
Prevalence	low high

Summary


Affected operating systems	Windows
Characteristics	Installs itself in the registry
Included in our products from	July 2006 (4.07)
Protection available since	27 May 2006 04:32:47 (GMT)
Detected by	All Sophos products

Troj/DwnLdr-BYD is a Trojan for the Windows platform.

Troj/DwnLdr-BYD includes functionality to access the internet and communicate
with a remote server via HTTP.

When first run Troj/DwnLdr-BYD copies itself to Files>\PViever\pviever.exe and creates the file <Program Files>\PViever\uin.txt.

The following registry entry is created to run pviever.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
PViever
<Program Files>\PViever\pviever.exe hide

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