Welcome to the Virus Encyclopedia of Panda Security.
It spreads and affects other computers.
It changes system permissions.
It uses stealth techniques to avoid being detected by the user.
, via mapped drives, through shared network resources, through instant messaging, by infecting files that are then distributed.
|First detected on:||March 4, 2009|
|Detection updated on:||March 4, 2009|
Autorun.IRA is a worm that spreads by copying itself, without infecting other files.
It reduces the security level of the computer:
it changes system permissions, decreasing the security level.
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 modifies system permissions in order to hide itself.
Autorun.IRA 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.
- Computer networks (mapped drives): it creates copies of itself in mapped drives.
- Computer networks (shared resources): it creates copies of itself in shared network resources to which it has access.
- File infection: it infects different types of files, which are then distributed through any of the usual means: floppy disks, email messages with attachments, Internet download, files transferred via FTP, IRC channels, P2P file sharing networks, etc.