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TrojanDownloader:Win32/Cutdown!rfn

First posted on 13 September 2016.
Source: Microsoft

Aliases :

There are no other names known for TrojanDownloader:Win32/Cutdown!rfn.

Explanation :

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

• %LOCALAPPDATA%\microsoft\windows\temporary internet files\content.ie5\6wm0pkj1\pplivesetup_forqd125[1].exe
• %LOCALAPPDATA% \microsoft\windows\temporary internet files\content.ie5\oqasdouf\111[1].exe
• %LOCALAPPDATA% \microsoft\windows\temporary internet files\content.ie5\twi4n4w6\funshion3603[1].exe
• %ProgramData%\funshion3603.exe
• %ProgramData% \pplivesetup_forqd125.exe

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

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:

• download.pplive.com using port 80
• hh.yooohooo.com using port 80
• lab.l4ever.cn using port 80
• down.49558.cn 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:

• 111.exe
• Funshion3603.exe
• pplivesetup_forqd125.exe

This malware description was published using automated analysis of file SHA1 025477c37e518cbfd67b2aff94c8c1e0174f2dae.

Last update 13 September 2016

 

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