Home / malware

PDF

TrojanDownloader:Win32/Apcrewnod

First posted on 03 January 2017.
Source: Microsoft

Aliases :

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

Explanation :

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

• %APPDATA%\à¶ô´«ææ\à¶ô´«ææ.exe
• %APPDATA% \à¶ô´«ææ\launcher.exe
• %APPDATA% \à¶ô´«ææ\uninstall.exe
• %TEMP%\nsp6575.tmp\system.dll
• %USERPROFILE%\desktop\à¶ô´«ææ.lnk
• \programs\à¶ô´«ææ\à¶ô´«ææ.lnk
• \programs\à¶ô´«ææ\unistall.lnk

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:

• www.xy.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

Creates an uninstaller

This threat can create an uninstaller by modifying the registry. For example:

In subkey: HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\À¶Ô´«Ææ

Sets value: "DisplayIcon"
With data: "%APPDATA%\à¶ô´«ææ\à¶ô´«ææ.exe""

Sets value: "DisplayName"
With data: "à¶ô´«ææ"

Sets value: "DisplayVersion"
With data: "1.0.2.62"

Sets value: "Publisher"
With data: "à¶ô´«ææ"

Sets value: "UninstallString"
With data: "%APPDATA%\à¶ô´«ææ\uninstall.exe"

Additional information

Creates a mutex

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

• {C20CD437-BA6D-4ebb-B190-70B43DE3B0F3}

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 4ba49d060ce33fa7b3322c30f3748dbdb6abb44d.

Last update 03 January 2017

 

TOP