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update.exe. Is it a virus?

The update.exe could be a SDBOT. Sometimes it’s called STARTPAGE.C, DWNLDR-FZY, AUTOTROJ-C, ZOTOB.N, IRCBOT, Windows Service Pack Setup and BIFROSE-DG.

It’s not absolutely clear which product this file is part of and who is its author. It’s a hidden file. Update.exe is usually located in the %WINDOWS% folder and its usual size is 11,903 bytes.

This file is a trojan. Trojans can steal important data from your computer. This file is a network worm. Worms can significantly decrease your Internet connection speed and download new malware onto your computer. This file enables a culprit to access your computer, steal your data, and take total control over your computer.


Disable and delete the update.exe process as soon as possible. Most likely it is a virus, a trojan, or some other malware. Before disabling this file make sure it is not a legitimate file that is also called update.exe.

We also recommend scanning your computer.

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General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Process: SDBOTCommon path(s): %WINDOWS%
subfolder in C:
subfolder in %DOCS_SETTINGS%
Keywords(s): trojan, worm, hidden, backdoorFilesize(s): 11,903 bytes, 135,168 bytes, 143,360 bytes, 35,840 bytes, 122,880 bytes, 32,768 bytes, 114,688 bytes, 151,552 bytes, 13,824 bytes, 118,784 bytes

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