Welcome to the Virus Encyclopedia of Panda Security.
It downloads the Trojans Banker.VY and Dumarin.L to the affected computer. It reaches the computer when the user accesses certain web pages, which attempt to exploit the Internet Explorer vulnerabilities called Vulnerability in Cursor and Icon Format Handling, MhtRedir and Object Type vulnerability.
|First detected on:||June 1, 2005|
|Detection updated on:||Jan. 21, 2006|
|Yes, using TruPrevent Technologies
Downloader.CYZ is a Trojan that downloads the Trojans Banker.VY and Dumarin.L to the affected computer.
Additionally, it grants itself the privilege of debugging other programs, which allows it to end processes, create remote threads, etc. It also monitors the presence of windows with certain titles in order to close them and prevent the user from viewing them.
Downloader.CYZ does not spread by its own means. It reaches the computer when the user access certain malicious web pages that exploit the Internet Explorer vulnerabilities called Vulnerability in Cursor and Icon Format Handling, MhtRedir and Object Type, in order to automatically download and run Downloader.CYZ.
In order to avoid being affected by Downloader.CYZ, download and install the security patch for the Vulnerability in Cursor and Icon Format Handling, as well as the latest cumulative updates for Internet Explorer y Outlook Express from the Microsoft website.
Downloader.CYZ is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.