WORM_DASHER.A
Worm:Win32/Dasher.A (Microsoft), W32.Dasher.A (Symantec), W32/Dasher.worm.gen (McAfee)
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: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm 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
7,680 bytes
Yes
08 Apr 2009
Arrival Details
This worm 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 worm drops the following files:
- %Temp%\log.txt
- %Current%\Result.txt
- %Current%\SqlScan.bat
- %Current%\Temp.txt
(Note: %Temp% is the Windows Temporary folder, which is usually C:\Windows\Temp.)
Autostart Technique
This worm adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\Microsoft\Windows\
CurrentVersion\Run
Windows Update = "%Current%\{malware file name}.exe"