TSPY_BLADABINDI.AQ
a variant of MSIL/Bladabindi.Q trojan (NOD32)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
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.
TECHNICAL DETAILS
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.
Installation
This spyware drops the following copies of itself into the affected system:
- %User Temp%\Trojan.exe
(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.)
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
{random} = ""%User Temp%\Trojan.exe" .."
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
{random} = ""%User Temp%\Trojan.exe" .."
Other System Modifications
This spyware adds the following registry keys:
HKEY_CURRENT_USER\Software\{random}
It adds the following registry entries as part of its installation routine:
HKEY_CURRENT_USER\Software\{random}
US = "{Default}"
HKEY_CURRENT_USER\Environment
SEE_MASK_NOZONECHECKS = "1"
It creates the following registry entry(ies) to bypass Windows Firewall:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%User Temp%\Trojan.exe = "%User Temp%\Trojan.exe:Enabled:Trojan.exe"
Other Details
This spyware connects to the following possibly malicious URL:
- passion1.{BLOCKED}p.org