Trojan-Downloader:W32/Dluca

Classification

Category :

Malware

Type :

Trojan-Downloader

Aliases :

TrojanDownloader.Win32.Dluca.t

Summary

Dluca is a family of adware downloaders.

Removal

Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.

To manually uninstall Dluca trojan downloader from a computer it's enough to run its file with '/uninstall' command line option (no quotes).

A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:

  • Check for the latest database updates

    First check if your F-Secure security program is using the latest updates, then try scanning the file again.

  • Submit a sample

    After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.

    Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.

  • Exclude a file from further scanning

    If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.

    Note: You need administrative rights to change the settings.

Technical Details

Dluca components can be hiddenly dropped and activated on a computer when Internet Explorer is used to browse certain pages on Internet.

When activated, Dluca connects to certain websites, downloads and activates additional components (executable files) and reports certain info about a computer where it is installed to a website.

The later Trojan-Downloader:W32/Dluca.T variant silently installs itself to system. It copies itself as files, with the names infwin.exe and infwin-uninstall.exe, to the Windows System folder and adds a startup key for the infwin.exe file into the System Registry. The trojan-downloader then deletes the file it was started from.

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