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Computer Viruses

Computer viruses are harmful pieces of software which can reproduce themselves and automatically spread to other computers and networks. Questions about computer virus techniques and specific computer viruses belong here.

5,673 Questions

How do you get system restore when home page does not load?

Click "Start" go onto "All programs" go onto "Accessories" go onto "System tools", then "System restore".

Why is my computer deleting programs after restarting?

Scan your computer with antivirus software , your computer may be affected by a computer virus.

Is browser address error redirector malware?

yes

You need to run these 3 essential programs to remove all the spyware on your computer.

If you do not have an internet security suite and only an anti virus

1. Run Malwarebytes Anti-Malware

2. Run a complete scan with free curing utility Dr.Web CureIt!

3. Run the anti spyware removal programs spybot or Superantispyware

Browsers
Use Mozilla firefox or the google chrome browser for browsing unsafe websites

Install ThreatFire
ThreatFire, features innovative real-time behavioral protection technology that provides powerful standalone protection or the perfect complement to traditional signature-based antivirus programs offers unsurpassed protection against both known and unknown zero-day viruses, worms, trojans, rootkits, buffer overflows, spyware, adware and other malware.

Run an online virus scan like

  • Trend Micro HouseCall
  • Kaspersky free online virus scanner
  • Windows Live OneCare safety scanner
  • BitDefender Online Scanner
  • ESET Online Antivirus Scanner
  • F-Secure Online Virus Scanner
  • avast! Online Scanner

update your software by running
Secunia Online Software Inspector

Install a good antivirus in your computer.
Keep your antivirus updated. If automatic updates are available, configure your antivirus to use them.
Keep your permanent antivirus protection enabled at all times.

Can you kill viruses?

yes ,u can kill it or repair it by using sandbox from avast

Can you get a virus from downloading trw conferencing?

DON'T download. You can't uninstall using add/remove. It's an open gateway to your computer from the internet.

How do i get rid of Microsoft police pro I cant open any programs like restore or my antivirus program and when i download anything it crashes instantly it wont let me just uninstal it either?

Malwarebytes will remove it.

http://www.malwarebytes.org/

But you have to execute Malwarebytes before the Microsoft Police Pro starts up when Windows opens, the free version will clean it. If Microsoft Police Pro starts before you get Malwarebytes running, you won't be able to start it. I also could not boot into Safe Mode, Microsoft Police would cause the Blue Screen of Death to come up. So as after I entered my Username and Password, I quickly started Malwarebytes and was able to get it running, it cleaned it off, but it leaves some residue, I had to run it twice before it cleaned everything off.

What is the virus cryp krap?

it's a dangerous virus and you can check the link below to know how to clean it :

http://threatinfo.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=CRYP_KRAP&VSect=Sn

Which is better Iobit security 360 or Spyware Terminator?

Better try both, I have tried iobit360 and its very good in catching other spyware including trojans but in the end it should try catching itself (memory down to 1% as reported by Advance System Care) and since it cannot i installed threatfire by pctools which warned me that iobit360 is injecting something at other running modules which it considered high risk and quarantined the process, after then my computer run smoothly without memory lost, so I decided to uninstall 10BIT360 temporarily until the need arise where it will be useful.

What do you use to remove a computer virus?

You need to run these 3 essential programs to remove all the spyware on your computer.

If you do not have an internet security suite and only an anti virus

1. Run Malwarebytes Anti-Malware

2. Run a complete scan with free curing utility Dr.Web CureIt!

3. Run the anti spyware removal programs spybot or Superantispyware

Browsers
Use Mozilla firefox or the google chrome browser for browsing unsafe websites

Install ThreatFire
ThreatFire, features innovative real-time behavioral protection technology that provides powerful standalone protection or the perfect complement to traditional signature-based antivirus programs offers unsurpassed protection against both known and unknown zero-day viruses, worms, trojans, rootkits, buffer overflows, spyware, adware and other malware.

Run an online virus scan like

  • Trend Micro HouseCall
  • Kaspersky free online virus scanner
  • Windows Live OneCare safety scanner
  • BitDefender Online Scanner
  • ESET Online Antivirus Scanner
  • F-Secure Online Virus Scanner
  • avast! Online Scanner

update your software by running
Secunia Online Software Inspector

Install a good antivirus in your computer.
Keep your antivirus updated. If automatic updates are available, configure your antivirus to use them.
Keep your permanent antivirus protection enabled at all times.

You are unable to fix your computer problem.Even you are unable to install a new windows.And your computer is not taking you to the desktop.It restarts itself whenever you start it.What should you do?

Press the F8 key several times when your computer is starting. It should go into a black and white menu. Select "Safe Mode with Networking" press Enter. Log in. If it works open the Internet and search for malwarebytes. Download malwarebytes (it is free) and install then run it. It may take a while but it should find some things and hopefully fix your problem.

Harmful effects of viruses in a computer system?

Viruses commonly have the following affects on computers: destruction/theft of data, and malicious access to the computer resources. Data is stolen sometimes for identity theft and sometimes for business reasons such as stealing customer information for competition. Other times the data is destroyed either for malicious reasons, or for interruption of business processes. Optionally the virus is installed for use as a 'door' to the computer's resources such as using the computer for spamming.

Which antivirus system able to find win32 salty virus?

try this

http://www.softpedia.com/progDownload/Win32-Sality-Remover-Download-105925.html

Help my computer had blue screen but now it wont start up it will go to a blank screen but it still has the mouse?

start your computer and hit f1 till you see a screen with white text it should say windows memory diagnostics at the bottom go to it and hit enter let that run and test it again but if that doesn't work press f8 at start up and select safe mode that should work sorry if it doesn't.

What is the heuristic virus?

http://www.bitdefender.com/scan8/ie.html

there is a possibility that it is a virus or a fancy way of a scanner saying, "I'm guessing that is a virus".

How do i remove computer virus can't get to mcafee?

Try booting into Safe Mode by tapping the F8 key when the computer boots, and go into Safe Mode. You might be able to run McAfee there.

You can download a copy of Ultimate Boot CD4Windows and boot the CD. The latest versions have anti-virus and anti-malware tools.

How can you tell if a website has a virus?

Check a web page for malware

If you want to check a website, I suggest:

http://www.avgthreatlabs.com/sitereports

You can also go to:

http://onlinelinkscan.com/

or if you're into developer tools, Google Labs has one for this purpose:

http://code.google.com/intl/hu-HU/apis/safebrowsing

Did any antiviurs clear the recylear virus?

This is Malware, stuff that hides well, deeply rooting itself in your system. Anti-virus scanners and the Restore Point Utility are not good things to use against such invasion for this reason alone.

Download the programs I listed from another computer (Internet Café, Public Library or friend's computer) onto a USB stick as this malware may block you from downloading the protection. If you still cannot use MBAM, rename it Alteregobytes to confuse the Malware (but be sure to keep the .exe extension on it) and use it as an alternative for solution A.

Trying MBAM alone is not enough, you need a COMPLETE solution.

Here is one (use programs in the order stated): A) Download MBAM (MalwareBytes' Anti-Malware): http://www.download.com/Malwarebytes-Ant… - Install the application and make sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish ( If an update is found, it will download and install the latest version ).

Once the program has loaded, select "Perform Quick Scan", then click Scan ( The scan may take some time,so please be patient ). When the scan is complete, click OK, then Show Results to view the results.

Make sure that everything is checked, and click Remove Selected ( When disinfection is completed, a log will open in Notepad and you may be prompted to Restart - The log is automatically saved and can be viewed by clicking the Logs tab in MBAM ).

B) Try the tricks and free programs I use: 1) Flush every single possible accumulated junk in ALL browsers. As you explore the web, browsers stores information about your browsing. You should delete that information from time to time.

Method One (now):

In Internet Explorer, click the Tools menu, then Delete Browsing History and in the box, click the Delete all button (bottom left) and Yes.

In Firefox, go to tools, clear private data, make sure all boxes are checked and then click on the clear private data now button.

Method Two (in the future - about every two weeks for normal use of the internet - every week for heavy use):

In Internet Explorer, click the Tools menu, then click Delete Browsing History and in the box that opens, do the following steps (in order)

a) click the button near Temporary Internet Files, click Yes and wait for the box that opens to close.

b) click the button near History, click Yes and wait for the box that opens to close.

Finally, click the close button (bottom right) to finish.

In Firefox, Go to tools, clear private data and uncheck all except Browsing History, Cache and Authenticated Sessions boxes and then click on the clear private data now button.

Note: You should close your browser when you're done to clear cookies that are still in memory. For older versions of the programs or for other browsers, check help files for guidance on doing the cleanup.

2) Turn off the restore point utility ( here is a guide for XP: http://support.microsoft.com/kb/310405 and an article for Vista: http://windowshelp.microsoft.com/Windows… )

3) Install this free cleaner: http://www.glaryutilities.com/gu.html to remove junk and remnants files (there are always some) and use it in "Windows safe mode" (for a better cleanup).

4) put order in your drive with a "Disk defragmenter".

5) Turn restore point utility back on. ( see part 3 )

6) After this, if you don't have an anti-virus scanner, use Avira: http://www.download.com/Avira-AntiVir-Pe… along with an Email scanner ( http://www.spamdel.com/ OR http://www.glenn.delahoy.com/software/fi… ) and if you have a GOOD one, make sure your virus database is updated.

( A word of caution, be sure to read all help files completely so that you can apply fixes right the first time ! )

With this, you are on your way to being well protected BUT never relax your guard !

P.S.: Stay away from AVG free (CRAP) and Google/Yahoo toolbars (spyware themselves) Links listed and experience (25 years + on computers, 8 years + on the internet and 3 years + as a buyer for Government before retiring in 2007

Briefly explain why installed software must not be removed by deletion?

because the file will corupt and you cant uninstall normally anymore

Why is your computer slow on smallworlds but not on any other website?

Because Smallworlds is an advanced website. It'll take time, but if it doesn't, I don't know what to say.