PopWin manual removal:
Kill processes:
popwin.exe, poptwin.exe
Delete registry values:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\popwinie
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_POPWINIE
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page=[site address]
Delete files:popwin.exe, poptwin.exe, popwin.dll
Misc:PopWin files can be found in default system directory, which is one of the following: C:\Windows\System, C:\Windows\System32, C:\Winnt\System32.
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