TROJ_FAKEAV.SMOQ

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.

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 copies of itself into the affected system:

• %ProgramData%\{random name}\{random name}.exe (Windows Vista and 7 only)
• %System Root%\Users\All Users\{random name}\{random name}.exe (Windows Vista and 7 only)
• %System Root%\Documents and Settings\All Users\Application Data\{random name}\{random name}.exe (versions other than Windows Vista and 7)

(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This is usually C:\ProgramData in Windows Vista and 7, or C:\Program Files on Windows 2000, XP (32-bit), and Server 2003, or C:\Program Files (x86) on Windows XP (64-bit).. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

It drops the following component file(s):

• %ProgramData%\{random name}\{random name} (Windows Vista and 7 only)
• %ProgramData%\{random name}\{random name}.ico (Windows Vista and 7 only)
• %System Root%\Users\All Users\{random name}\{random name} (Windows Vista and 7 only)
• %System Root%\Users\All Users\{random name}\{random name}.ico (Windows Vista and 7 only)
• %System Root%\Documents and Settings\All Users\Application Data\{random name}\{random name} (versions other than Windows Vista and 7)
• %System Root%\Documents and Settings\All Users\Application Data\{random name}\{random name}.ico (versions other than Windows Vista and 7)
• %Start Menu%\Programs\System Progressive Protection\System Progressive Protection.lnk
• %Desktop%\System Progressive Protection.lnk

(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This is usually C:\ProgramData in Windows Vista and 7, or C:\Program Files on Windows 2000, XP (32-bit), and Server 2003, or C:\Program Files (x86) on Windows XP (64-bit).. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.. %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 and 7.)

It creates the following folders:

• %ProgramData%\{random name} (Windows Vista and 7 only)
• %System Root%\Users\All Users\{random name} (Windows Vista and 7 only)
• %System Root%\Documents and Settings\All Users\Application Data\{random name} (versions other than Windows Vista and 7)
• %Start Menu%\Programs\System Progressive Protection

(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This is usually C:\ProgramData in Windows Vista and 7, or C:\Program Files on Windows 2000, XP (32-bit), and Server 2003, or C:\Program Files (x86) on Windows XP (64-bit).. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.)

Autostart Technique

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

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\RunOnce
{random name} = "%ProgramData%\{random name}\{random name}.exe" (Windows Vista and 7 only)

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\RunOnce
{random name} = "%System Root%\Documents and Settings\All Users\Application Data\{random name}\{random name}.exe" (versions other than Windows Vista and 7)

Other System Modifications

This Trojan adds the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Installer\Products\{random name}

It adds the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Installer\Products\{random name}
(Default) = "1"

Other Details

This Trojan connects to the following possibly malicious URL:

• http://{BLOCKED}.{BLOCKED}.29.179/api/urls/?ts={value}&affid={value}
• http://{BLOCKED}.{BLOCKED}.29.179/api/stats/install/?ts={value}&affid={value}&ver={value}&group={value}
• http://{BLOCKED}shoper.com/p/?&lid={value}&affid={value}&nid={value}&group={value}