Published Apr 02, 2012 | Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: TR/Harvso.A (Avira) Trojan.PWS.Stealer.786 (Dr.Web) Win32/DataStealer.D trojan (ESET) Trojan.Win32.Harvso (Ikarus) TROJ_SPNR.11DT12 (Trend Micro)


Trojan:Win32/Kuluoz.gen!A is a trojan that steals information. It looks for files used by the browsers Firefox and Opera that may contain user names and passwords. It also looks for document files and spreadsheets, which it packs into an archive file. It sends the browser files and the archive file to a remote server.

To detect and remove this threat and other malicious software that may be installed on your computer, run a full-system scan with an appropriate, up-to-date, security solution. The following Microsoft products detect and remove this threat:

For more information on antivirus software, see

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