This malware drops itself into the system. Its purpose does not appear to be directly malicious. Most of the program's strings are encrypted using the Windows' cryptographic services.
Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.
This malware does not appear to be a direct security threat, although it installs itself into the system without asking for any kind of permission from the user. Most of the malware's textual content is encrypted by means of the Cryptography API provided by Windows. The Cryptographic Service Provider used is "Microsoft Base Cryptographic Provider v1.0", and the encryption algorithm used is RSA. Of course, the decryption Key lies within the program's code, which renders the obfuscation attempt almost useless.
Installation to system
It will copy itself into the Windows' System folder as any of the following:
p4mx4.exe audioinf.exe kbddrv32.exe svcinfo.exe msurl32.exe mswave.exe enhance32.exe helpex32.exe main32.exe vidcntl.exe
And will add an entry in the registry at:
Which will be named as the filename dropped (without the extension) and point to the executable.
Detection in F-Secure Anti-Virus was published on November 12th, 2003 in update:
Detection Type: PC
Description Created: Alexey Podrezov, February 23rd, 2004;