For information about the symptoms of a computer virus , visit the website
Microsoft PC Security .
Is it a worm ?
Worm is a computer code that spreads without user interaction . The majority of worms started as an email attachment that infects the computer when opened . The worm will scan the infected computer to find the file , for example, address book or web page that contains a temporary email address . The worm uses the email address to send infected emails , and often mimic ( or divert ) Address " From " in the email message so that the infected message appears as if from someone you know . Then the worm will spread automatically through email messages , network , or operating system vulnerabilities , and often meets these systems before the cause is known . The worm does not always damage the computer , but usually cause computer problems and network performance and stability .
Is it a Trojan horse ?
Trojan horses are malicious software programs that hide inside another program . The program enters a computer by hiding inside a legitimate program , such as a screen saver . Then he would put the code into the operating system that allows hackers to access the infected computer . Trojan horses usually do not spread themselves . They are spread by viruses , worms , or software that is downloaded .
Is it spyware ?
Spyware can be installed into your computer without your knowledge . This program can change the configuration of your computer or collect data and personal information advertisements . Spyware can track internet searching habits and can also redirect your web browser to different websites from which you wish to visit .
Is it dangerous security software ?
Malicious software security will try to make you think that your computer got a virus and usually tells you to download or buy a product that removes the virus . This product names often contain words such as Antivirus , Shield , Security , Protection , or Fixer . The names that made the program seem legitimate . The software often runs right after you download it , or next time after you turn on the computer . Malicious software security can prevent you open the application , for example, Internet Explorer . Malicious software security can also display a legitimate Windows files and important as infected . Error message or pop-up message usually contains the following phrases :
Warning !
Your computer is infected !
The computer is infected by spyware and adware .
Note If you receive a message in a pup - up dialog box in the form of a warning , press ALT + F4 on the keyboard to close the dialog box . Do not click on anything in the dialog box . If such warnings constantly appear when you try to close the dialog box , it means that the message is most likely harmless .
Are you sure you want to venture away from this page ?
Your computer is infected ! Viruses , malware , etc. can cause data loss and damage files that need to be addressed as soon as possible . Press CANCEL to prevent it . Return to System Security and download to secure your PC .
Click OK to continue or Cancel to stay on this page .
If you see a message like this, do not download or buy software.
Is it malware ?
Malware is a term used for malicious software and is designed to destroy or perform unwanted actions into a computer system . Examples of malicious software include :
virus
worm
Trojan horse
spyware
Malicious software security
How to remove malware such as viruses , spyware , or rogue security software
Removing a computer virus or spyware can be difficult without the help of a tool removes malicious software . Some computer viruses and unwanted software others can reinstall themselves after the viruses and spyware detected and removed . Fortunately , by updating the computer and use the tool removes malicious software , you can remove unwanted software forever .
For more information about how to remove viruses and spyware your computer, read the following article from the Microsoft Knowledge Base :
2671662 - Resources and guide Microsoft to remove malware and viruses
Note If you can not access the internet from your computer , use another computer so you can follow the steps in the " How to reset Internet Explorer proxy settings proxy " on the computer may be infected .
To remove computer viruses and other malicious software , follow the steps below in sequence .
Install the latest updates from Microsoft Update
Note A computer virus can prevent you from accessing the Microsoft Update Web site to install the latest updates . We recommend that you set the Automatic Updates service that runs automatically so that the computer will not miss important updates . For more information, please read the following article in the Microsoft Knowledge Base :
306525 - How to configure and use Automatic Updates in Windows
Windows Vista and Windows 7
Click Start , and then type Windows Update in the search box .
In the area of results , click Windows Update .
Click Check for Updates .
Follow the instructions to download and install the latest Windows updates .
Windows XP
Click Start , and then click Run .
Type sysdm.cpl , and then press Enter .
Click the Automatic Updates tab , and then click the Automatic option (recommended ) .
Click OK .
Using the Microsoft Safety Scanner free
Microsoft offers free online tools that scan and helps eliminate potential threats from your computer . To scan , visit the Microsoft Safety Scanner website .
Using Software Removal Tool Windows Evil
For more information about Wicked Software Removal Tool Microsoft , read the following article in the Microsoft Knowledge Base :
890 830 - Evil Software Removal Tool Microsoft helps remove specific malicious software and can be spread on a computer running Windows 7 , Windows Vista , Windows Server 2003 , Windows Server 2008 , or Windows XP
Removing malicious security software manually
If malicious software security can not be detected or removed using the Microsoft Safety Scanner or Software Removal Tool Wicked Windows , try the following steps :
Windows XP , Windows Vista , or Windows 7
Record the name of security malicious software . For example , let's call it XP Security Agent 2010.
Restart the computer .
When viewing the computer manufacturer's logo , press the F8 key repeatedly .
When prompted , use the arrow keys to select Safe Mode with Networking ( Safe Mode with Networking ) , then press Enter .
Click the Start button and check whether malicious security software appear on the Start menu . If not listed , click All Programs and scroll to find the name of the malicious software .
Right-click the name of the malicious software programs , and then click Properties .
Click the Shortcut tab .
In the Properties dialog box , check the track malicious security software program that is registered at Target . For example , C : \ Program Files \ XP Security Agent 2010.
Note folder name is usually a random number .
Click Open File Location .
In the Program Files window , click File Program in the address bar .
Scroll until you find the folder security malicious software . For instance , XP Security Agent 2010.
Right-click the folder , and then click Delete .
Restart the computer .
Enter the Microsoft Safety Scanner website .
Click the Download Now button , and then click Run .
Follow the prompts to scan computer and helps remove malicious software security .
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