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TrojanDownloader:Win32/Zegost.H

First posted on 29 August 2015.
Source: Microsoft

Aliases :

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

Explanation :

Threat behavior

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

• %ProgramFiles%\apppatch\netsyst2.dll

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:

• 123.57.67.101 at TCP port 80
• HttpRequest (GET) to: hxxp://123.57.67.101/NetSys90.dll with UserAgent: Mozilla/4.0 (compatible)

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

This malware description was published using automated analysis of file SHA1 caa229af194f13944af32bc812c6a4875bba451c.

Symptoms

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

• You see a file similar to:
  • %ProgramFiles%\apppatch\netsyst2.dll

Last update 29 August 2015

 

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