Home / malware

PDF

Trojan:Win32/Crilock.B

First posted on 30 October 2013.
Source: Microsoft

Aliases :

There are no other names known for Trojan:Win32/Crilock.B.

Explanation :

Threat behavior Trojan:Win32/Crilock.B is a malicious program that is unable to spread of its own accord. It may perform a number of actions of an attacker's choice on an affected computer.

Installation

When it runs, Trojan:Win32/Crilock.B copies itself to c:\documents and settings\administrator\local settings\application data\zkauhxfbmpubhr.exe. The malware creates the following files on your computer:

• c:\documents and settings\administrator\local settings\temp\awpde4f.tmp
• c:\documents and settings\administrator\local settings\temp\jtmdf77.tmp
• c:\documents and settings\administrator\local settings\temp\voh7a62.tmp

Payload

Contacts remote hosts

Trojan:Win32/Crilock.B may contact the following remote hosts using port 80:

• abnwkkopkiyivyg.net
• aqjtxashqqtlgoj.co.uk
• boiyusssrlkvehf.biz
• cuhspiuhlnvphsy.ru
• dicuaqyksqhdguk.org
• eyrobrprduadhni.co.uk
• fmmqlatukxlqpdl.info
• kwkmwnafjkpvgrd.com
• lxutqdnwktrfpjg.biz
• mookxudggvwxggf.org
• npyrrkqxhfyhify.info
• ovenbdjnihhdlb.net
• xyfvwspgtfmjgsd.net
• yapdqidxuoosgwo.ru

Commonly, malware may contact a remote host for the following purposes:

• To confirm Internet connectivity
• To report a new infection to its author
• To receive configuration or other data
• To download and execute arbitrary files (including updates or additional malware)
• To receive instruction from a remote attacker
• To upload data taken from the affected computer

This malware description was produced and published using our automated analysis system's examination of file SHA1 48146b81b85e41b67489f2c20a4e38cb10d1c778.Symptoms

System changes

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

• The presence of the following files:
  
  c:\documents and settings\administrator\local settings\application data\zkauhxfbmpubhr.exe
  c:\documents and settings\administrator\local settings\temp\awpde4f.tmp
  c:\documents and settings\administrator\local settings\temp\jtmdf77.tmp
  c:\documents and settings\administrator\local settings\temp\voh7a62.tmp

Last update 30 October 2013

 

TOP