There are some ways utilized by redirect virus to get into the targeted computers, such as coming bundled with freeware. People may pay no attention to some changes in their computer systems when they download and install a new free program from the Internet. It is common cases that a redirect virus attaches to some general installers of software to gets installed onto random computers because most innocent net users won't notice the install or download option of the redirect during the boring installation of a program. In fact, most of the programs we know of are fine to use but the origin of the installer is questionable which becomes a common cause of redirect infection. Once downloaded and installed on the computer, those potentially unwanted programs or malicious programs may bring about great damages to the PC.
Yandex.ru redirect virus will install malicious add-ons, plug-in or toolbar on the infected browser, pretending useful tools to help PC users go online. As a matter of fact, those browser extensions are not as useful as they are advertised and the main purpose of them is to spy on users’ browsing activities and record their data and personal information for making profits. Another avenue is ad- supported links which can fill the computer screen with annoying ads pops-up with the purpose to entice computer user into navigating the searches to its commercial contents. Computer users have to resist the temptation to make a transaction, otherwise the consequences will be catastrophic.
Since the redirect virus has changed some browser settings and system settings to cause lower security levels, it is difficult for other computer infections to get into the PC and further damage the infected system. Thus, hackers can easily intrude into the vulnerable system to attack user’s vital files and data such as the transaction certification code, login passwords, online banking details, personal information, and more. As a result, users might suffer huge losses and their personal privacy will be seriously violated. It will send the collected information to the remote severs to gain illegal profits. In order to make it hard to be eliminated by the antivirus program, the browser hijacker spreads its files and registry to many random folders following the similar name of common system ones.
Guides to Eliminate Yandex.ru Redirect Virus
Step 1: Set the default homepage back
For Internet Explorer:
Click on Browser Tools
Select Manage Add-ons on the tools window
Click Search Provider
Here you can see many kinds of search engine option as Bing and Google, select your favorite one to be a default homepage.
Choose Search Results and click on Remove icon to eliminate it
Click Tools, select Internet Options and then the General tab. Here you can option a website you like and save it.
c. Select ‘Search Results’ and click ‘Remove’ to remove it;
For Google Chrome:
Open Customize and control
Click on Settings
Select on Basic Options icon
Here you can reset your homepage (e.g.Google.com)
Once you choose a default homepage, click on Manage Search Engines and then click Google to be your default search engine.
Remove it from the browser by clicking Search Result and then the X’ mark
For Mozilla Firefox:
Click Manage Search Engine
Select Search Results and then click Remove option, click OK
Open Tools, under the General tab, set Google.com as default homepage
Step 2: Locate related files of Yandex.ru and remove them from the computer
%AllUsersProfile%
%AllUsersProfile%\Programs\{random letters}\
%AllUsersProfile%\Application Data\~r
%AllUsersProfile%\Application Data\~dll
Step 3: Remove cookies on all browsers
Internet Explorer:
Click options on the browser and then choose Internet Options
Open General tab, click Delete Browsing History to remove all related cookies
Select cookies and click Delete
Firefox:
Click option
Select Privacy and then click on Remove Individual Cookies icon
Delete relevant cookies list on the box
Google Chrome:
Click option
Open Under the Bonnet tab
Select Privacy and then click Clear browsing data
Delete all cookies
Step 4: Remove malicious registry entries
Open Registry Editor on the start menu
Type in Regedit and click OK
Remove all the following registry entries
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings “CertificateRevocation” = ‘1’
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Attachments “SaveZoneInformation” = ‘0’