Perlovga.A copies itself to the Windows folder.
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Upon execution, Perlovga.a acquires the drive letter from which the file is executed. It then opens the root folder of that drive and copies itself as xcopy.exe to the %windir%\xcopy.exe.It then copies the file host.exe from the root drive of the current drive to %windir%\svchost.exe.It then copies autorun.inf from the rot drive of the current directory as %windir%\autorun.inf, executes the file %windir%\svchost.exe and then exits.For more details, read about it on our blog at https://www.f-secure.com/weblog/archives/archive-012007.html#00001097