Welcome to the Virus Encyclopedia of Panda Security.
It spreads and affects other computers.
It searches for and steals passwords saved for certain Windows services.
It affects the productivity of the computer, the network to which it’s connected or other remote sites.
It uses stealth techniques to avoid being detected by the user.
It uses anti-monitoring techniques in order to prevent it being detected by antivirus companies.
, through instant messaging.
|First detected on:||Feb. 22, 2008|
|Detection updated on:||Feb. 22, 2008|
MSNPhoto.AA is a worm that spreads by copying itself, without infecting other files.
It captures certain information entered or saved by the user, with the corresponding threat to privacy:
passwords saved by certain Windows services.
It affects productivity, preventing tasks from being carried out:
- In the affected computer:
causes system slowdowns.
- In the local network:
it generates a large amount of network activity and consumes bandwidth.
- On remote sites: it mass mails junk mail (spam).
It uses stealth techniques to avoid being detected by the user:
- It deletes the original file from which it was run once it is installed on the computer.
It uses several methods in order to avoid detection by antivirus companies:
- Its code is encrypted and it is only decrypted when it is going to run. Because of this, its code is not legible through a memory dump.
MSNPhoto.AA uses the following propagation or distribution methods:
- Exploiting vulnerabilities with the intervention of the user: exploiting vulnerabilities in file formats or applications. To exploit them successfully it needs the intervention of the user: opening files, viewing malicious web pages, reading emails, etc.
- Instant messaging: it sends links pointing to a copy of itself to all users included in the infected user's contacts list.