Published Jul 13, 2007 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: Trojan-Downloader.Win32.Zlob.avo (Kaspersky) (Kaspersky) Downloader-ACV (McAfee) MultiDropper-NB (McAfee) CASClient.AQ.dropper (Norman) W32/Mudrop.DM (Norman) Troj/Dloadr-AQF (Sophos) Troj/Mdrop-AYS (Sophos) AvenuMedia.InternetOptimizer (Sunbelt Software) ICanNews.CasClient (Sunbelt Software) Trojan.Dropper (Symantec) Trojan.Popper (Symantec) TROJ_DROPPER.BTY (Trend Micro) TROJ_MUDROP.BQ (Trend Micro)


TrojanDownloader:Win32/Small is family of Trojans that download unwanted software from a remote Web site. The content could include anything from additional downloader Trojans to imitation security programs.
TrojanDownloader:Win32/Small may download and install additional malicious software, thus manual removal is not recommended. To detect and remove this Trojan and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as the Microsoft Safety Scanner ( For more information, visit
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