TSPY_OTOTI.ZB

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.

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 files:

• %User Profile%\61j348zyghz1vz\55101.cmd
• %User Profile%\61j348zyghz1vz\60134.vbs
• %User Profile%\61j348zyghz1vz\run.vbs
• %User Profile%\61j348zyghz1vz\{random file name 1}.{random extension}
• %User Profile%\61j348zyghz1vz\{random file name 2}.{random extension}
• %User Profile%\61j348zyghz1vz\{random file name 3}.{random extension}
• %Application Data%\Microsoft\Windows\8pGWqWq\8pGWqWq.dat
• %Application Data%\Microsoft\Windows\8pGWqWq\8pGWqWq.nfo
• %Application Data%\Microsoft\Windows\8pGWqWq\8pGWqWq.svr

(Note: %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 and 7.. %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 drops and executes the following files:

• %User Profile%\61j348zyghz1vz\ueUdr.exe

(Note: %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 and 7.)

It creates the following folders:

• %User Profile%\61j348zyghz1vz
• %Application Data%\Microsoft\Windows\8pGWqWq

(Note: %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 and 7.. %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.)

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\RunOnce
61j348zyghz1vz = "%User Profile%\61j348zyghz1vz\60134.vbs"

Other System Modifications

This spyware adds the following registry keys:

HKEY_CURRENT_USER\Software\8pGWqWq

It adds the following registry entries:

HKEY_CURRENT_USER\Software\8pGWqWq
ServerStarted = "{date and time server started}"

HKEY_CURRENT_USER\Software\8pGWqWq
InstalledServer = "{path and file name of server used by malware}"

HKEY_CURRENT_USER\Software\8pGWqWq
NewGroup = "{name of server}"

HKEY_CURRENT_USER\Software\8pGWqWq
NewId = "{id}"

HKEY_CURRENT_USER\Software\8pGWqWq
FirstExecution = "{date and time of first execution}"

Other Details

This spyware connects to the following possibly malicious URL:

• {BLOCKED}.{BLOCKED}.114.221:1616