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TrojanDownloader:Win32/Mabjet

First posted on 26 May 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:Win32/Mabjet.

Explanation :

Threat behavior

Payload


Downloads malware or unwanted software

This threat can download other malware and unwanted software onto your PC.



Connects to a remote host

We have seen this threat connect to a remote host, including:

• www.runsad.com using port 80

Malware can connect to a remote host to do any of the following:

• Check for an Internet connection
• Download and run files (including updates or other malware)
• Report a new infection to its author
• Receive configuration or other data
• Receive instructions from a malicious hacker
• Search for your PC location
• Upload information taken from your PC
• Validate a digital certificate

We have seen this threat access online content, including:

• jmb.txt

Additional information

Creates a mutex

This threat can create one or more mutexes on your PC. For example:

• appdata!local!microsoft!windows!history!history.ie5!
• appdata!local!microsoft!windows!temporary internet files!content.ie5!
• appdata!roaming!microsoft!windows!cookies!
• IESQMMUTEX_0_208

It might use this mutex as an infection marker to prevent more than one copy of the threat running on your PC.



This malware description was published using automated analysis of file SHA1 3c73a408e5e5d6a4171486eda364b00d0b420507.

Symptoms

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

• You see the following mutex:
  • c:!users!christofsprenger!appdata!local!microsoft!windows!history!history.ie5!
  • c:!users!christofsprenger!appdata!local!microsoft!windows!temporary internet files!content.ie5!
  • c:!users!christofsprenger!appdata!roaming!microsoft!windows!cookies!
  • IESQMMUTEX_0_208

Last update 26 May 2015

 

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