Downloader.Castov is a Trojan that drops files onto the compromised PC. Downloader.Castov may then aim at stealing information for specific online banking websites. When run, Downloader.Castov copies itself to the particular location. Downloader.Castov creates the registry entry so that it can load automatically whenever a PC user starts Windows. Downloader.Castov then connects to the particular website, which includes web links to .jpg files. Downloader.Castov then drops the .jpg files and extracts an encrypted executable from them. Downloader.Castov then decrypts and runs this file. This executable file is then used by Downloader.Castov for stealing logon credentials for specific online banking websites.
This article is provided "as is" and to be used for educational information purposes only. By following any instructions on this article, you agree to be bound by the disclaimer. We make no guarantees that this article will help you completely remove the malware threats on your computer. Spyware changes regularly; therefore, it is difficult to fully clean an infected machine through manual means.