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Ransom:MSIL/Manamecrypt.A

First posted on 05 April 2016.
Source: Microsoft

Aliases :

There are no other names known for Ransom:MSIL/Manamecrypt.A.

Explanation :

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

• %TEMP%\hyd2794.tmp.1455137609\hta\install.1455137609.zip
• %TEMP%\utorrent.exeutorrent.exe

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

Payload

Connects to a remote host

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

• router.bittorrent.com using port 53
• bench.utorrent.com using port 53

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

Additional information

Creates a mutex

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

• µTorrent4823DF041B09
• uTorrent.exeuTorrent.exe
• xUnWSHZMEKqqu39l0kKws2oyR

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 61ac0d9783a744dfc02f4b6dd880c82e24a274b0.

Last update 05 April 2016

 

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