A dialer which infects Windows files. For example, one user complained about infected file ...and SettingsAdministratorLocal SettingsTemporary Internet FilesContent.IE5WRNW87E9seksdialer[1].exe.
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Such simple but effective spyware is used by hackers for getting remote access to user's computer. The principle is quite simple: a "server" secretly installs on to your machine and the hacker connects through a "client" on his computer. This is the basic function of a RAT, but it also can have several other functions, which depend on the interests of the attacker. Originated in November 2002. The author is PyroBruno.