RANSOM_BIRBWARE.THJBBAH

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It is capable of encrypting files in the affected system.

It encrypts files found in specific folders.

Arrival Details

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Ransomware does the following:

• It accesses the following URL and download a non-malicious file:
  • http://3.bp.blogspot.com/_L8lQFEnRero/S9dOMaxwqXI/AAAAAAAAADs/e8rLKHsRH3s/s1600/76.jpg
• It renames the downloaded file as %User Profile%\Desktop\birb.png
• It displays the following window after encrypting files as ransom note:
  • 

It is capable of encrypting files in the affected system.

Ransomware Routine

This Ransomware encrypts files found in the following folders:

• %Desktop%
• %User Profile%\Music
• %User Profile%\Pictures
• %User Profile%\Videos
• %User Profile%\Downloads

(Note: %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\Desktop on Windows Vista, 7, and 8.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista, 7, and 8.)

It appends the following extension to the file name of the encrypted files:

• .birbb