[virusinfo] W32/Nopir-B

  • From: "Mike" <mikebike@xxxxxxxxx>
  • To: virusinfo@xxxxxxxxxxxxx
  • Date: Wed, 20 Apr 2005 17:17:26 -0700

From; Sophos Alert System:

Name: W32/Nopir-B
Type: Win32 worm
Date: 20 April 2005

A virus identity (IDE) file which provides protection is
available now from the Sophos website, and will be incorporated
into the June 2005 (3.94) release of Sophos Anti-Virus.

Customers using EM Library, PureMessage or any of our Sophos
small business solutions will be automatically protected at
their next scheduled update.

At the time of writing, Sophos has received a small number of
reports of this worm from the wild.


Information about W32/Nopir-B can be found at:
http://www.sophos.com/virusinfo/analyses/w32nopirb.html

W32/Nopir-B is a worm for the Windows platform. 
W32/Nopir-B will display an anti-piracy image on the screen when run. The worm 
will then delete all COM and MP3 files from the computer. The worm will also 
disable taskmanager, registry tools, and access to the control panel. 
W32/Nopir-B will also check for debuggers and may attempt to disable any such 
software that it finds. 
W32/Nopir-B copies itself to <Program Files>\Projects Visual 
Studio.NET\Nctrup.exe, <Program Files>\Restore\<random name>.exe, <Program 
Files>\eMule\Incoming\AnyDVD 5.1.0.1 Crack+Keygen By Razor.exe. 
W32/Nopir-B will create the following registry entries: 
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Verif
<Program Files>\Restore\<random name>.exe 
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
securw
<Program Files>\Projects Visual Studio.NET\Nctrup.exe 
HKCR\exefile\Shell\open\command 
<Program Files>\Projects Visual Studio.NET\Nctrup.exe 
HKCR\batfile\Shell\open\command 
<Program Files>\Projects Visual Studio.NET\Nctrup.exe 
HKCR\comfile\Shell\open\command 
<Program Files>\Projects Visual Studio.NET\Nctrup.exe 
HKCR\scrfile\Shell\open\command 
<Program Files>\Projects Visual Studio.NET\Nctrup.exe 
HKCR\piffile\Shell\open\command 
<Program Files>\Projects Visual Studio.NET\Nctrup.exe 
HKCR\vbsfile\Shell\open\command 
<Program Files>\Projects Visual Studio.NET\Nctrup.exe 
HKCR\vbefile\Shell\open\command 
<Program Files>\Projects Visual Studio.NET\Nctrup.exe 
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
NoControlPanel
1 
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskMgr
1 
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
1 

This IDE file also includes detection for:

Troj/Fireby-A
http://www.sophos.com/virusinfo/analyses/trojfirebya.html
W32/Mytob-AF
http://www.sophos.com/virusinfo/analyses/w32mytobaf.html
W32/Mytob-AE
http://www.sophos.com/virusinfo/analyses/w32mytobae.html
Troj/Istbar-AY
http://www.sophos.com/virusinfo/analyses/trojistbaray.html
W32/Mytob-AD
http://www.sophos.com/virusinfo/analyses/w32mytobad.html
Troj/Dloader-ML
http://www.sophos.com/virusinfo/analyses/trojdloaderml.html
Troj/Zaurga-A
http://www.sophos.com/virusinfo/analyses/trojzaurgaa.html
Troj/ConycSp-C
http://www.sophos.com/virusinfo/analyses/trojconycspc.html

Download the IDE file from:
http://www.sophos.com/downloads/ide/nopir-b.ide

Download all the IDE files available for the current version of 
Sophos Anti-Virus in a single compressed file. The file is
available in two formats:

Zip file:
http://www.sophos.com/downloads/ide/ides.zip

Self-extracting file:
http://www.sophos.com/downloads/ide/ides.exe

Read about how to use IDE files at
http://www.sophos.com/downloads/ide/using.html

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