Back.Door FlashBack is a type of Trojen virus.Previously reported that this virus attcak on around 6 lacks Mac computers.50% attack reported in US and Canada where Mac has large number of users.We are previously told that Linux and Mac are very danger.In Windows we can use Anti-Virus softwares to detect Viruses and Malwares.But majority of Unix users( Mac and Linux) they don't have any Antivirus softwares.So it is difficult to find virus ourself.This virus use java applet.It load a Java appltet and apperar as Adobe Flash Player Installer.One you install this you computer become infected.use some Antivirus software or do it Manually.If you are a beginner use Antivrus softwares
Install Mackeeper
How to remove virus
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| Trojen Virus attack Mac computer |
Manual removal is possible.But it is very difficult.A advanced user can manually remove.
1. Run the following command in Terminal:
defaults read /Applications/Safari.app/Contents/Info LSEnvironment
2. Take note of the value, DYLD_INSERT_LIBRARIES
3. Proceed to step 8 if you got the following error message:
"The domain/default pair of (/Applications/Safari.app/Contents/Info, LSEnvironment) does not exist"
4. Otherwise, run the following command in Terminal:
grep -a -o '__ldpath__[ -~]*' %path_obtained_in_step2%
5. Take note of the value after "__ldpath__"
6. Run the following commands in Terminal (first make sure there is only one entry, from step 2):
sudo defaults delete /Applications/Safari.app/Contents/Info LSEnvironment
sudo chmod 644 /Applications/Safari.app/Contents/Info.plist
7. Delete the files obtained in steps 2 and 5
8. Run the following command in Terminal:
defaults read ~/.MacOSX/environment DYLD_INSERT_LIBRARIES
9. Take note of the result. Your system is already clean of this variant if you got an error message similar to the following:
"The domain/default pair of (/Users/joe/.MacOSX/environment, DYLD_INSERT_LIBRARIES) does not exist"
10. Otherwise, run the following command in Terminal:
grep -a -o '__ldpath__[ -~]*' %path_obtained_in_step9%
11. Take note of the value after "__ldpath__"
12. Run the following commands in Terminal:
defaults delete ~/.MacOSX/environment DYLD_INSERT_LIBRARIES
launchctl unsetenv DYLD_INSERT_LIBRARIES
13. Finally, delete the files obtained in steps 9 and 11.
Visit this site for more details
Use Anti-virus softwares
Apple release a security update to prevent this attck
This update is known as Java for OSX.
Download and install it
Labels: Apple Mac, Apple Mac OS's, AVG PC tune up, Virus
