I've had something like this. I had to go into my regedit and remove the infected file or alter the values of the program manually. You just need to use google to see what files it adds or modifies in the registry. Just did a quick search and these are the files and steps that need to go:
1. Stop the following processes from your system: (go into your taskmanager to do this)(ctrl+alt+delete)
[random name].exe of Abnow.com
2. Delete the following Abnow.com registry entries from your system
run and then regedit)
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun ?.exe?
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionInternet Settings ?CertificateRevocation? = ?0′
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionInternet Settings ?WarnonBadCertRecving? = ?0′
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun ??
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesAssociations ?LowRiskFileTypes? = ?/
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesActiveDesktop
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesSystem ?DisableTaskMgr? = ?1′
3. Remove the below given files related to Abnow.com:
%AllUsersProfile%Application Data~
%AllUsersProfile%Application Data.dll
%AllUsersProfile%Application Data.exe
%UserProfile%Start MenuProgramsAbnow.comAbnow.com.lnk
%AllUsersProfile%Application Data
%UserProfile%Start MenuProgramsAbnow.com
%UserProfile%Start MenuProgramsAbnow.comUninstall Abnow.com.lnk
Look careful when doing anything in your registry if you aren't familiar with it, when in doubt check it out. Use google on your phone or something if you're unsure about removing a file and see what it does.
