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Istbat.4.H is identified as a Trojan by AVG as of mid-October, possibly earlier.

Istbat.4.H hides in System Restore, so turn it off before you scan to facilitate removal of the infected files.

I had to run Spybot, download AVG from Grisoft, perform an update to AVG, then reboot into safe mode and run a full system scan.

I also ran Ad Aware on another system before it was clean enough to allow antivirus updates and spyware updates.

After removal, reboot and run AVG again, just to be sure. I ended up manually deleting a couple of files that AVG couldn't.

Run a Windows Update afterwards to patch up vulnerabilities that allow Istbar to operate.

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14y ago

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