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TrojanDownloader:VBS/Ranbyus.A

First posted on 07 May 2015.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:VBS/Ranbyus.A.

Explanation :

Threat behavior

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

• %APPDATA%\o8237423.exe

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:

• carolebellaiche.com//image.jpg 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

Additional information

Creates a mutex

This threat can create a mutex on your PC. For example:

• GOOGLEUPDATE.EXE"

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 544eea8d8cb4c2854e5446869d682db0641b54da.

Symptoms

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

• You see a file similar to:
  • %APPDATA%\o8237423.exe

• You see the following mutex:
  • GOOGLEUPDATE.EXE"

Last update 07 May 2015

 

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