2015年4月27日星期一

VBS:Agent-KZ Removal Guide

Please help me!!! I cannot eliminate VBS:Agent-KZ through Norton Antivirus. It usually drives me mad. MSE keeps reporting this infection when I start up my computer. But it fails to remove it completely. MSE scans out this Trojan horse and shows the “Clean Computer” button. When I click that button, MSE says the Trojan horse has been removed successfully, however, after I reboot the computer, the threat comes back. How to completely remove the threat?


Description of VBS:Agent-KZ:


VBS:Agent-KZ is a Trojan virus which was discovered by some well-known antivirus programs recently. It can infect a computer by exploiting operating system vulnerability and it has the ability to expose your computer to download other malware like Trojan horse Dropper.Generic8.AXHI Virus. It can get inside the system through pretending to be one of the system components for avoiding antivirus scanner. Though you realize that your computer has been infected by this threat, you may be at your wit’s end because antivirus programs fail to fix the problem. The Trojan is equipped with a rootkit function. With this rootkit, it can conceal itself and prevent itself from being detected or removed. As a result, anti-malware program can not detect anything related to this malware.

In general, you should be wary of the malware unless it will unnoticeably slip into the system and result in complete system disruption. If you visit the malevolent websites or legit website that have been hacked, download and install freeware containing malicious codes, click on pop-ups from unidentified sources or open spam emails attachments or links, the Trojan will have a good chance to enter your PC. Once installed, the threat creates some malicious files and modifies the computer settings. You may get many pop-up ads and you will be redirected to random pages over and over again. The most obvious symptom on the presence of this Trojan is huge reduction in performance of the PC. Like other Trojan viruses, it will collect your private information, such as usernames and passwords of important websites or online banking accounts, and transmits to the remote hackers for illegal purposes. Remove VBS:Agent-KZ before it mess up your computer.


Activities of the Trojan Horse


1) It is able to bypass the security protection and mess up the infected machine. 2) It disables many programs installed on the computer by damaging their files. 3.It can make your browser redirected to all kinds of malicious websites. 4.It can help remote hackers to access the compromised system for illicit purpose.


Manual Removal Guides:


VBS:Agent-KZ is a malicious Trojan horse which can be installed to the infected computer without PC users’ permission. It removes or overwrites system files, modifies system settings, disables important programs and even brings other malware to your computer. What’s worse, hacker can make use of the threat to invade the infected computer and steal your information for illegal purposes. It should be deleted as soon as possible. You’d better back up your computer before any file changes in case of data loss.

Step1: Restart your computer in safe mode with networking.

Turn on the power of your computer, press "F8" key continuously before windows starts up. Then, you will see Windows Advanced Option menu. Use the Up-Down arrow keys on your keyboard to highlight "Safe Mode with Networking" option from the list and hit "Enter" key to go on.

Step 2: End relevant Process

Keep pressing CTRL + Shift + ESC keys together to launch Windows Task Manager. Press its Processes tab, find out and click End Process button block the processes related to this Trojan virus.

[Random.exe]

Step3: Delete VBS:Agent-KZ files from PC:

Navigate to directory and delete all related files below:

%windows%\system32\ VBS:Agent-KZ
%documents and settings%\all users\ application data\ VBS:Agent-KZ
%program files% VBS:Agent-KZ
%Desktopdir%\VBS:Agent-KZ.lnk
%AllUsersProfile%\{random}\
%AllUsersProfile%\{random}.lnk

Step 4: Delete registry entries from Redistry Editor

Pressing "Windows+R" keys at the same time to bring up run command box. Type "regedit" into the run box and click "Ok" button to continue. If your operating system is win7, just type “regedit” into the "Search programs and files" box in the Start menu. Remove registry keys added by VBS:Agent-KZ in Registry Editor

Microsoft\Windows\CurrentVersion\Internet Settings\{ VBS:Agent-KZ }
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run Regedit32
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current\Winlogon\”Shell” = “{random}.exe”
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\ DisplayName VBS:Agent-KZ virus

Conclusion


VBS:Agent-KZ is a high-risk computer infection and should be deleted quickly. It appears to be harmless, but it will cause unexpected problems. There are some obvious symptoms of this Trojan horse infection, such as slowdown in computer speed, low hard disk space, high CPU usage, mouse not responding, etc. Once the computer infection starts to harm the computer, the PC can be easily disrupted. The system settings may be changed and you can’t use the computer smoothly as usual. This Trojan is so clever to avoid being removed by dodging in the secret place of system. Manual way should be the most effective way to remove nasty virus.

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