Why you should automatically empty Temporary Internet Files

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Wiz Feinberg
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Why you should automatically empty Temporary Internet Files

Post by Wiz Feinberg »

Today I read about a new Rogue anti virus program that is installed via iframe redirects from Flash banner ads on the Doubleclick Ad network (a Google company). These ads use Internet Explorer browser features to redirect the victim to a website that hosts malware executables.

The main executable is automatically downloaded into the victim's Temporary Internet Files (TIF) folder. Other components are invisibly installed into your "Startup" folder, causing the main executable (in your TIF) to launch and install malware onto your computer.

In this instance the malware claims to have found a number of viruses or spyware threats on your computer and you are goaded into purchasing its recommended twin, "Anti-Virus-1," which is a "Rogue" (fake) anti virus program. Paying to register the fake anti virus program removes the alerts that are actually part one of the two part malware threat.

This is not the first or last malware infector that hides in the TIF folder and gets launched by a startup entry. However, you can reduce your exposure to such files taking over your computer if you select the long-standing option to always empty your Temporary Internet Files when you close your browser.

Internet Explorer calls them Temporary Internet Files. Firefox calls them the Internet Cache. Opera sings about them in a soprano voice. LOL! Here's how to automatically delete these files every time you close your IE, Firefox and Opera browsers.
  • Internet Explorer: Tools >Internet Options > Advanced > Security > check: "Empty Temporary Internet Files folder when browser is closed" - Apply > OK
  • Firefox: Tools > Options > Privacy > check: "Always clear my private data when I close Firefox." Use the Settings button to preset which items are automatically deleted. As a minimum choose "Cache" and "Authenticated sessions." Click OK twice.
  • Opera: Tools > Preferences > Advanced - History - Disk Cache - check: "Empty on exit." Click OK.
Emptying the cache will cause web pages to take longer to load on dial-up Internet services, as all graphics, HTML and included files must be downloaded afresh. However, if you have a broadband connection this delay will usually be negligible.

If you are infected by this, or a similar Rogue anti virus program, I, and others, recommend MalwareBytes AntiMalware to remove the threat. Don't forget to update the program first, then scan for malware vermin.
"Wiz" Feinberg, Moderator SGF Computers Forum
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Ken Lang
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Location: Simi Valley, Ca
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Post by Ken Lang »

I went to a site, I don't remember which, and a notice came up that it was known to have downloaded viruses or whatever. It had two radio buttons. One was continue, and the other was "Get me out of here." When I clicked it, even firefox quit and I went back to my initial computer screen. We need more of those.
heavily medicated for your safety