AVG PC TuneUp manual scan on Win7 PC shows more than 11,000 browser items after opening IE11 into Yahoo for approx 2 minutes, then closing IE11.
The spurious browser items do not appear as extra web pages.
Web pages do not seem to require extra time to load.
The PC otherwises operates normally.
This effect also appears in Safe mode with networking option selected.
Wireshark and Cports tools seem to verify a high number of internet contacts to disparate sites worldwide.
Scanned computer in live and safe modes with AVG Antivirus, MalwareBytes, Spybot, Microsoft Malware Removal Tool (MRT), Adware Cleaner, Hitman Pro, C-Cleaner, and cleared CryptNet
cache. No viruses or malware found.
Ran CheckDisk, Kaspersky Rootkit killer. Nothing found.
Ran HijackThis on this PC. Compared results with HijackThis on a laptop with same OS (Win7), same programs, on same network. Evaluated results on HijackThis.de Security website. No obvious malware entries were found.
Ran DDS (Ver_2012-11-20.01), printed results. Will send same at your direction.
Verified AVG computer firewall, Linksys router firewall were operating correctly and PC Data Execution prevention option was selected.
AVG PC TuneUp manual scan on a laptop with same OS (Win7), same programs, on same network shows -no- browser items after opening IE11 into Yahoo for approx 2 minutes,
then closing IE11.
Thanks in advance for your help.