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Backdoor:Win32/Sirgrab.A

First posted on 07 May 2015.
Source: Microsoft

Aliases :

There are no other names known for Backdoor:Win32/Sirgrab.A.

Explanation :

Threat behavior

Installation
This threat can create files on your PC, including:

• %ProgramFiles%\ìà êñèìà ëüíîå ñæà òèå\ìà éêðîñîôò âîðä\note.exe
• %ProgramFiles%\note.exe

The malware uses code injection to make it harder to detect and remove. It can inject code into running processes.



Payload


Allows backdoor access and control

This threat can give a malicious hacker access and control of your PC. They can then perform a number of different actions, such as:

• Deleting files
• Downloading and running files
• Logging your keystrokes or stealing your sensitive data
• Modifying your system settings
• Running or stopping applications
• Spreading malware to other PCs
• Uploading files

Creates an uninstaller



This threat can create an uninstaller by modifying the registry. For example:

In subkey: HKLM\software\microsoft\windows\currentversion\uninstall\ìà éêðîñîôò âîðä 4.5.5.0

Sets value: "DisplayName"
With data: "ìà éêðîñîôò âîðä 4.5.5.0"



This malware description was published using automated analysis of file SHA1 c74a1605294d35d30eba5e6e09c765b6829a6428.

Symptoms

The following can indicate that you have this threat on your PC:

• You see a file similar to:
  • %ProgramFiles%\ìà êñèìà ëüíîå ñæà òèå\ìà éêðîñîôò âîðä\note.exe
  • %ProgramFiles%\note.exe

• You see registry modifications such as:
  
  • In subkey: HKLM\software\microsoft\windows\currentversion\uninstall\ìà éêðîñîôò âîðä 4.5.5.0
    Sets value: "DisplayName"
    With data: "ìà éêðîñîôò âîðä 4.5.5.0"
    
    

Last update 07 May 2015

 

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