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Microsoft Security Intelligence
Published Nov 22, 2007 | Updated Sep 15, 2017

TrojanDownloader:Win32/Matcash.B

Detected by Microsoft Defender Antivirus

Aliases: Trojan-Downloader.Win32.Small.gll (Kaspersky) Adware:Win32/iSearch.Toolbar (Microsoft) TrojanDownloader:Win32/Agent.ZM (Microsoft) W32/Downloader (Norman) Spyware/7r7t (Panda) Mal/DownLdr-O (Sophos) Deskwizz/ZQuest (Sunbelt Software) Spyware.ISearch (Symantec) TROJ_DLOADER.DTK (Trend Micro)

Summary

TrojanDownloader:Win32/Matcash.B is a Trojan that connects to a remote site and downloads and executes arbitrary files. In the wild, this Trojan has been observed to download and install additional malicious and unwanted applications on the affected machine.
TrojanDownloader:Win32/Matcash.B 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 (http://go.microsoft.com/fwlink/?LinkId=212742). For more information, visit http://www.microsoft.com/protect/products/computer/default.mspx
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