Sunday 9 February 2014

Computer Virus & Antivirus Protechon

Computer Virus & Antivirus
In simple word computer virus is a program or software which is harmful for computer.It is an executable program which can damage your data or can do anything depend on the type of virus.
Antivirus is a software which is used to remove malicious program. Antivirus prevent us from Browser hijackers, keyloggers, backdoors, Trojans, rootkits etc.


Types of computer virus

Types of Viruses
Memory resident virus       File Deleting virus
Direct Action virus             Mass mailer virus/e-mail virus
Overwrite virus                  Network virus
Boot sector virus               Macro virus
Spyware                           Polymorphic virus
Directory virus                   Web scripting virus
Browser Hijacker               Trojans
Worms                              Adware

Memory resident virus

 Memory resident virus :  It is also knows as TSR (Terminate stay resident) This is a kind of virus which stays in memory when infected program runs and even it will be in memory after terminating the infected program and when we will open any other program it will start infecting other programs. 
Non-memory resident virus will be closed when the infected application terminated.
 The symptoms of Resident Viruses can include performance issues, data loss, hard drives crashes or  that result in an unstable and unresponsive system.

Remove memory resident virus :
Remove unknown application from start-up
Steps :   Window key + R => Run => msconfig => startup => uncheck the application which you don't recognize => Apply => Ok => restart the computer.

Remove any unused program from Program and features.
Steps :   Window key + R => Run => appwiz.cpl => Select program which is not in use => click on uninstall.

Run Antivirus scan
Steps :  Open your Antivirus program => click on complete computer scan/full scan

Memory resident virus  :  It is also knows as TSR (Terminate stay resident) This is a kind of virus which stays in memory when infected program runs and even it will be in memory after terminating the infected program and when we will open any other progrm...

How to remove Malware/Trojans/Adware/Broswer Hijacker


There are various kind of  Browser Hijackers, malwares, Trojans, Adware, spyware and many more virus.These are some most powerful tools which I am using to remove these  kind  of virus  These tools and links are tools are  used by me many times.

1. Adwcleaner         2. Rkill              3. Malware Bytes            
4. ComboFix           5. HijackThis     6. Hitman Pro
7. RogueKiller         8. Tds Killer      9.Junkware removal Tool
Free Antivirus Download link
Avast,  AVG,  Kaspersky,  Norton,   BitDefender,  QuickHeal

Above listed tools are able to resolve these kind of issues

1.  IE giving message for all websites  “Internet Explorer could not display the page”
2.   Web browser (e.g., Internet Explorer, Firefox, Chrome) freezes, hangs or unresponsive  and we are not able to change home page of our browser
5.  We are getting web-browser popup messages Strange or unexpected toolbars appear at the top of web browser

6.  Computer restart by itself.
7.  If  getting unusual error messages (e.g.,  missing or corrupt files folders)
8. If we are unable to access any file  and folder.

It can be that our computer will not allow us to download any software or we are not able  to do anything then we need to follow these steps.

1.  Restart your computer in  Safe  mode with networking

Steps: Restart computer and in When computer start  press f8 key repeatedly  and you will get advanced boot option menu then choose safe mode with networking.

2.  Remove tools which are not in use ==> windows key + R => Run => appwiz.cpl => select program which is not in use and click on uninstall

3.  If still you have problems in downloading any software or doing anything create new user
Windows Key  + R => Run => cmd => net user Test King123 /add
{where net user is command to create user , Test is username, King123 is password and /add option is used to add this user}
If you want to remove the password of user
Windows key +R => Run => cmd=> net user Test   *
now just hit the enter key  twice to make password blank

4. Login by new user then download above utilities.  


2 comments:

  1. dear siddharth my problem is install program is not showing in appwiz

    ReplyDelete
    Replies
    1. Hi Shiv,
      Ok !!! kindly scan the all drives by Updated Antivirus.. then u touch me give for updates.

      Delete

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