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Virus:TR/Emuni.K
Date discovered:14/02/2011
Type:Trojan
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low
Static file:Yes
File size:333.312 Bytes
MD5 checksum:986839ced1802cfa2a38e7d2796254e4
VDF version:7.10.08.191
IVDF version:7.11.03.78 - Monday, February 14, 2011

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Kaspersky: Trojan.Win32.Pasta.kri
   •  F-Secure: Trojan.Win32.Pasta.kri
   •  Bitdefender: Trojan.Generic.3856387
   •  Grisoft: Startpage.IIG
   •  Eset: Win32/Agent.NHR worm
   •  DrWeb: Trojan.Click1.35029


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


Side effects:
   • Registry modification
   • Opens website in web browser

 Files It copies itself to the following locations:
   • %Homepath%\Start Menu\Programs\Startup\cssrs.exe
   • %Appdata%\cssrs.exe

 Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "TINTIMG"="%APPDATA%\cssrs.exe"



The following registry key is added:

– [HKCU\Software\Microsoft\Internet Explorer\AboutURLs]
   • "blank"="http://www.1141**********"
   • "Tabs"="http://www.1141**********"



The following registry keys are changed:

Internet Explorer's start page:

– [HKCU\Software\Microsoft\Internet Explorer\Main]
   New value:
   • "Default_Page_URL"="http://www.1141**********"
   • "Start Page"="http://www.1141**********"

Internet Explorer's start page:

– [HKLM\SOFTWARE\Microsoft\Internet Explorer\Main]
   New value:
   • "Default_Page_URL"="http://www.1141**********"
   • "Start Page"="http://www.1141**********"

Various Explorer settings:

– [HKLM\SOFTWARE\Microsoft\Internet Explorer\AboutURLs]
   New value:
   • "blank"="http://www.114116.info"
   • "Tabs"="http://www.114116.info"

 File details Programming language:
The malware program was written in MS Visual C++.

Description inserted by Wensin Lee on Wednesday, May 4, 2011
Description updated by Andrei Ivanes on Friday, May 6, 2011

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