TSPY_KEYLOG.NTW

This spyware is downloaded and executed by JAVA_DLOADER.NTW.

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be downloaded by other malware/grayware from remote sites.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

It logs a user's keystrokes to steal information.

It deletes the initially executed copy of itself.

Arrival Details

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

It may be downloaded by the following malware/grayware from remote sites:

• JAVA_DLOADER.NTW

It may be downloaded from the following remote site(s):

• http://{BLOCKED}lcurrencyreport.com/cybercrime-suspect-arrested/up2.exe

Installation

This spyware adds the following mutexes to ensure that only one of its copies runs at any one time:

• ADQpdULQ

Autostart Technique

This spyware adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
igfxtray = "%Application Data%\igfx\igfxtray.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Active Setup\Installed Components\{GUID}
StubPath = %Application Data%\igfx\igfxtray.exe"

Download Routine

This spyware accesses the following websites to download files:

• http://{BLOCKED}yacipta.com/mastersoft/disk.exe

It saves the files it downloads using the following names:

• %User Temp%\{random file name}.exe - TROJ_RANSOM.ACV

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

Information Theft

This spyware attempts to steal stored email credentials from the following:

• Thunderbird
• Outlook
• WindowsLive

It attempts to get stored information such as user names, passwords, and hostnames from the following browsers:

• Mozilla Firefox
• Opera
• Google Chrome
• SeaMonkey

It logs a user's keystrokes to steal information.

Other Details

This spyware deletes the initially executed copy of itself

NOTES:

This spyware connects to the following URL to send the gathered information:

• wordpress.{BLOCKED}log.net:3360