TROJ_BANLOAD.HQE

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

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

Arrival Details

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

Installation

This Trojan drops the following files:

• %Application Data%\Temp\{random file name 1}.exe
• %Application Data%\{Random GUID}\{random file name 2}.exe

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

It creates the following folders with attributes set to System and Hidden to prevent users from discovering and removing its components:

• %Application Data%\{Random GUID}
• %Application Data%\Temp

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

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

• http://{BLOCKED}.{BLOCKED}.171.151/Dgpc/Vitrola.png
• http://{BLOCKED}.{BLOCKED}.171.151/Dgpc/loiras.png

Trend Micro detects the dowloaded file as:

• TSPY_BANKER.HQE

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

NOTES:

It will not perform its main routine if the following strings in processes, files or registry entries are found in the affected system:

• QEMU
• SANDBOX
• VMWare.exe
• sbiedll.dll
• dbghlp.dll