Trojan.Win32.CP4000 used to be a real malware, now fake anti-spyware software like Files Secure which will display Trojan.Win32.CP4000 as a fake popup message or their scan result to trick user to buy the fake anti-spyware program. The fake anti-spyware program usually get installed onto your PC without your permission, through Trojan, malware and virus (or you could get it by installing a fake video codec). fake anti-spyware will display the Trojan.Win32.CP4000 fake system alerts or fake security alerts to trick user to buy the Paid Version of the fake anti-spyware program.

The possible error messages are either “Your browser was infected by Trojan.Win32.CP4000. It’s dangerous for your system (critical files can be lost)! Click OK to download the antispyware program to clean your system!”, or “Your browser was hijacked by Trojan.Win32.CP4000″. As discussed previously, these messages are completely misleading. You can safely remove Trojan.Win32.CP4000 by following our manual removal instructions if you are familiar with regedit and dll files. Good luck!
Download SpyHunter* Spyware Detection Utility
Manual Trojan.Win32.CP4000 Removal Instructions:
Unregister Trojan.Win32.CP4000 DLL Files:
(Learn how to do this)
poswin.dll
isfmdl.dll
pdswin.dll
avicap3.dll
xmljacodec.dll
hggdbab.dll
ddcyvtt.dll
ctl3d3.dll
sprt_ads.dll
browsew.dll
byxww.dll
ssqpp.dll
Find and Delete these Trojan.Win32.CP4000 Files:
(Learn how to do this)
poswin.dll
isfmdl.dll
pdswin.dll
avicap3.dll
xmljacodec.dll
shdocvw.dll
hggdbab.dll
ddcyvtt.dll
ctl3d3.dll
sprt_ads.dll
browsew.dll
byxww.dll
ssqpp.dll
Remove Trojan.Win32.CP4000 Registry Values:
(Learn how to do this)
3e0cee63-f8bc-4485-a745-cc01b2a0e9d9
369A87BB-07DF-4AB6-B23D-B5BF81338572
69B98C68-D2B8-4A4E-9CB7-E85B6F3A7014
70CC76D5-A4EE-4F25-9931-B109A63E298E
E2278F85-4584-4BEE-928C-600B38C385C1
37CEA8AE-2C1F-4F88-8362-0BFFBA53D2FD
82FE0677-75EC-49BF-83E9-A815F68F6212
FBFE32FE-4ED6-4099-A087-8C238B714831
7AB85EC7-22E7-4B5D-89DA-A9EBD1AF3520
977CA316-5487-4EE4-947E-7AC8EFBF60F5
376892AE-1825-4E5F-9F85-23F9640051CC
Trojan.Win32.CP4000 Variants: Trojan.Win32, Trojan.Win32.Patched and Trojan.Win32.Obfuscated.gx
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Thanks for the steps.
i did good for me on xp based system.
i believe these steps cover all possible scenarios
since with poswin.dll de-register and deletion step only i found it working for me.
i did not find any of registry entries and restarted my system after 1st 2 steps. And this pop up msg is no more coming.
thanks again for sharing this valuable info.