Troj/Viper-A is a downloader Trojan.
Troj/Viper-A is a downloader Trojan.
Troj/Viper-A attempts to download and execute two files from a website to the Windows folder with the filenames WMPLAYER.EXE and WMPLAYER2.EXE. These files are currently detected as Troj/PWSAgent-A and Troj/Dumaru-BE respectively.