|
For remove OSX.Saprilt.C virus,please run antivirus Run a full system scan and clean/delete all OSX.Saprilt.C infected files and Delete/Modify any values added to the registry. Navigate to the subkey and delete the values as following OSX.Saprilt.C details:
When executed, the Trojan creates the following file:
~/Public/.howdy
It then displays the following dialog box to prompt the user to enter their password:
Title: Password
Body: A corrupt preference file has been detected and must be repaired. Enter the password for the user account [USER NAME] to continue:
Next, the Trojan modifies the following SSH configuration files:
- /etc/hostconfig (In the case of OS X 10.2)
- /private/etc/xinetd/ssh (In the case of OS X 10.3)
- /System/Library/LaunchDaemons/ssh.plist (In the case of OS X 10.4 and 10.5)
It then starts the SSH daemon on the compromised computer.
Next, the Trojan accesses the following URL to inform the remote attacker of the compromised computer's IP address:
[http://]ipid.shat.net/ipo[REMOVED]
The Trojan then sends the password hash file to the remote attacker via the following URL:
[http://]psidude.com/maile[REMOVED]RecommendationsSymantec Security Response encourages all users and administrators to adhere to the following basic security "best practices":
- Turn off and remove unneeded services. By default, many operating systems install auxiliary services that are not critical, such as an FTP server, telnet, and a Web server. These services are avenues of attack. If they are removed, blended threats have less avenues of attack and you have fewer services to maintain through patch updates.
- If a blended threat exploits one or more network services, disable, or block access to, those services until a patch is applied.
- Always keep your patch levels up-to-date, especially on computers that host public services and are accessible through the firewall, such as HTTP, FTP, mail, and DNS services (for example, all Windows-based computers should have the current Service Pack installed.). Additionally, please apply any security updates that are mentioned in this writeup, in trusted Security Bulletins, or on vendor Web sites.
- Enforce a password policy. Complex passwords make it difficult to crack password files on compromised computers. This helps to prevent or limit damage when a computer is compromised.
- Configure your email server to block or remove email that contains file attachments that are commonly used to spread viruses, such as .vbs, .bat, .exe, .pif and .scr files.
- Isolate infected computers quickly to prevent further compromising your organization. Perform a forensic analysis and restore the computers using trusted media.
- Train employees not to open attachments unless they are expecting them. Also, do not execute software that is downloaded from the Internet unless it has been scanned for viruses. Simply visiting a compromised Web site can cause infection if certain browser vulnerabilities are not patched.
For successful remove OSX.Saprilt.C virus,you may also need do as following:
1.Please Download Google recommend safer browser Web browser, For more safe , Stay Secure on the Web and stay far away virus,Download URL http://www.antiviruses123.com/firefox/firefox.htm;
2. Temporarily Disable System Restore .
3. Update the virus definitions. Reboot computer in SafeMode;
4.Please download ATF Cleaner: IF you can not remove OSX.Saprilt.C virus successfully,you may seek help on Free Virus Remove Help forum URL:http://help.antiviruses123.com.Our anti virus experts will help you handle OSX.Saprilt.C virus:
|
