Sunday, April 13, 2014

Completely Remove Trojan:Win32/CryptoDefense.A Virus - Trojan:Win32/CryptoDefense.A Removal Guide


Trojan:Win32/CryptoDefense.A is a new releasing Trojan horse that upsets computer users seriously. It is a very cunning virus to bypass the removal from antivirus programs by disguising into system files. Hazardous to the virus, it is able to hide system files and block computer from running normally. Under the disturbance of this virus, computer will be injected with many infected files, which will eat up system resources and degrade down computer performance. Even worse, it would make full use of CPU utilization to force computer to go into blue screen of death. To remain Trojan:Win32/CryptoDefense.A, it is a high risk for your personal information as it is vicious to track and record online payment. It is serving for the cyber criminal as identity theft to lure money from your bank account. Without saying, Trojan:Win32/CryptoDefense.A is exceedingly dangerous infection that users should exterminate it soon once upon the detection.


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What dangers will Trojan:Win32/CryptoDefense.A make?



  • Trojan:Win32/CryptoDefense.A always bypass security tools through rootkit tactic
  • Trojan:Win32/CryptoDefense.A takes up system resources and degrades down computer performance
  • Trojan:Win32/CryptoDefense.A may further damage computer by bringing in other malware
  • Trojan:Win32/CryptoDefense.A may track your personal information and send it to cyber criminal for illegal profit



What can be taken to remove Trojan:Win32/CryptoDefense.A effectively?


Users who get entangled with Trojan:Win32/CryptoDefense.A must be very upsetting due to the frustration of virus removal. The failure of Trojan:Win32/CryptoDefense.A’s thorough removal can not be attributed to antivirus software but to the virus itself. It is very strong a virus skills in concealing deeply among system files and registry entries that most of the security applications can simply quarantine its infected files but never be able to exterminate this threat once for all. Fortunately, manual removal method is a way that mainly used to pick up the infected files and get them removed permanently. Now, it’s your time to follow the instructions below.


Guide to remove Trojan:Win32/CryptoDefense.A manually and permanently



NO.1 Open the Windows Task Manager(CTRL+ALT+DELETE) to stop all Trojan:Win32/CryptoDefense.A processes.

[random name].exe




NO.2 Click "Start" menu and click "Run", enter "regedit" into the box and press the Enter key.




NO.3 Search the keys from the pop up window and delete all of them:



HKEY_LOCAL_MACHINE\Software\ Trojan:Win32/CryptoDefense.A
HKEY_CURRENT_USER\Software\Microsoft\Command Processor "AutoRun" = "<malware path>\<random>.exe"
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "<random>.exe" = "<malware path>\<random>.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\open\command "(Default)" = ""%LocalAppData%\<random 3 chars>.exe -a "C:\Program Files\Mozilla Firefox\firefox.exe""
HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,%AppData%\skype.dat"


NO.4 Locate to the system files and get them removed manually:

%AppData%\\.exe
%AppData%\p1.exe
%CommonAppData%\.
%UserProfile%\Templates\<random characters>


Warming Tip: It is not suggested to do it by yourself if you have no sufficient skills on computer area since each incorrect operation will cause big problems. For avoiding unnecessary trouble, instant online help from expert will be strongly recommended.

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