By Kristopher

How to Remove Zlob Trojan

Updated Jul 19, 2010

Zlob Trojan is a backdoor Trojan responsible for distributing a large amount of adware, scareware, and other badware. Zlob Trojan sneaks onto your PC through scam websites, and installs more malware onto your system.

Unless Zlob Trojan popups sound like a good time, let me show you how to remove Zlob Trojan.

» Comment supprimer Zlob Trojan, en Français

Ready to get rid of Zlob Trojan? Check our instructions on how to uninstall Zlob Trojan.

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Do You Have Zlob Trojan?

When you’re infected with badware — whether it’s Zlob Trojan, spyware, adware, a Trojan, or a virus — there are a few key symptoms. Have you noticed…

  • Slow computer performance: It just takes one parasite like Zlob Trojan to slow your computer dramatically. If your PC takes longer than usual to reboot, or if your Internet connection is unusually slow, you may be infected with Zlob Trojan.
  • New desktop shortcuts or switched homepage: Badware like Zlob Trojan may change your Internet settings to redirect your homepage to another site. Badware can even add desktop shortcuts to your PC.
  • Annoying popups: Badware can bombard your computer with popup ads, even when you’re not online. Through these popups, you may be tricked into downloading more spyware.

How to Remove Zlob Trojan Manually

Zlob Trojan warning Before we get started, you should backup your system and your registry, so it’ll be easy to restore your computer if anything goes wrong.

To remove Zlob Trojan manually, you need to delete Zlob Trojan files. Not sure how to delete Zlob Trojan files? Click here, and I’ll show you. Otherwise, go ahead and…

Block Zlob-distributing sites:

Vnp7s.net
zxserv0.com
www.Flwplayer.com (IP address 85.255.120.110)
www.Swfcompressor.com (IP address 85.255.118.181)
www.Wmadirection.com (IP address 85.255.118.178)

Stop Zlob processes:

nvctrl.exe
msmsgs.exe
%System%\regperf.exe
%System%\ld100.tmp

Delete Zlob registry values:

HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionRunRegSvr32
=%System%msmsgs.exe
HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsNTCurrentVersionWinlogonShell
=explorer.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler
{af73a174-ea1b-4f0b-b0b1-fe1486a6719c} = communa

Remove Zlob files:

hp[X].tmp
msvol.tlb
ncompat.tlb
RSA
Protect

Get rid Zlob of DLLs:

C:\Windows\System32\qdsba.dll

Note: In any Zlob Trojan files I mention above, “%UserProfile%” is a variable referring to your current user’s profile folder. If you’re using Windows NT/2000/XP/7, by default this is “C:\Documents and Settings\[CURRENT USER]” (e.g., “C:\Documents and Settings\JoeSmith”). If you have any questions about manual Zlob Trojan removal, go ahead and leave a comment.

How Do You Remove Zlob Trojan Files?

Need help figuring out how to delete Zlob Trojan files? While there’s some risk involved, and you should only manually remove Zlob Trojan files if you’re comfortable editing your system, you’ll find it’s fairly easy to delete Zlob Trojan files in Windows.

How to delete Zlob Trojan files in Windows XP, Vista and Windows 7:

  1. Click your Windows Start menu, and then click “Search.”
  2. A speech bubble will pop up asking you, “What do you want to search for?” Click “All files and folders.”
  3. Type a Zlob Trojan file in the search box, and select “Local Hard Drives.”
  4. Click “ Search.” Once the file is found, delete it.

How to stop Zlob Trojan processes:

  1. Click the Start menu, select Run.
  2. Type taskmgr.exe into the the Run command box, and click “OK.” You can also launch the Task Manager by pressing keys CTRL + Shift + ESC.
  3. Click Processes tab, and find Zlob Trojan processes.
  4. Once you’ve found the Zlob Trojan processes, right-click them and select “End Process” to kill Zlob Trojan.

How to remove Zlob Trojan registry keys:

Zlob Trojan warning Because your registry is such a key piece of your Windows system, you should always backup your registry before you edit it. Editing your registry can be intimidating if you’re not a computer expert, and when you change or a delete a critical registry key or value, there’s a chance you may need to reinstall your entire system. Make sure you backup your registry before editing it.

  1. Select your Windows menu “Start,” and click “Run.” An “ Open” field will appear. Type “regedit ” and click “ OK ” to open up your Registry Editor. In Windows 7, just type “regedit” into the “Search programs and files” box in the Windows start menu.
  2. Registry Editor will open as a window with two panes. The left side Registry Editor’s window lets you select various registry keys, and the right side displays the registry values of the registry key you select.
  3. To find a registry key, such as any Zlob Trojan registry keys, select “ Edit,” then select “ Find,” and in the search bar type any of Zlob Trojan ‘s registry keys.
  4. As soon as Zlob Trojan registry key appears, you can delete the Zlob Trojan registry key by right-clicking it and selecting “ Modify,” then clicking “ Delete.”

How to delete Zlob Trojan DLL files:

  1. First locate Zlob Trojan DLL files you want to delete. Open your Windows Start menu, then click “Run.” Type “cmd ” in Run, and click “OK.” In Windows 7, just type “regedit” into the “Search programs and files” box in the Windows start menu.
  2. To change your current directory, type “cd” in the command box, press your “Space” key, and enter the full directory where the Zlob Trojan DLL file is located. If you’re not sure if the Zlob Trojan DLL file is located in a particular directory, enter “dir ” in the command box to display a directory’s contents. To go one directory back, enter “cd .. ” in the command box and press “Enter.”
  3. When you’ve located the Zlob Trojan DLL file you want to remove, type “regsvr32 /u SampleDLLName.dll” (e.g., “regsvr32 /u jl27script.dll”) and press your “Enter” key.

That’s it. If you want to restore any Zlob Trojan DLL file you removed, type “regsvr32 DLLJustDeleted.dll” (e.g., “regsvr32 jl27script.dll”) into your command box, and press your “Enter” key.

Did Zlob Trojan change your homepage?

  1. Click Windows Start menu > Control Panel > Internet Options.
  2. Under Home Page, select the General > Use Default.
  3. Type in the URL you want as your home page (e.g., “http://www.homepage.com”).
  4. Select Apply > OK.
  5. You’ll want to open a fresh web page and make sure that your new default home page pops up.

Zlob Trojan Removal Tip

Is your computer acting funny after deleting any Zlob Trojan files? I recommend using a program like File Recover from PC Tools. File Recover saves deleted files that otherwise can’t be recovered by Windows operating system.

Want to save time finding Zlob Trojan files? Download Spyware Doctor, let it find the Zlob Trojan files for you, and then manually delete the Zlob Trojan files.

How Did You Get Zlob Trojan?

Wondering how Zlob Trojan ended up on your PC? If you’re infected with Zlob Trojan or other badware, perhaps you were using…

  • Freeware or shareware: Did you download and install shareware or freeware? These low-cost or free software applications may come bundled with spyware, adware, or programs like Zlob Trojan. Sometimes adware is attached to the free software to “pay” developers for the cost of creating the software, and more often spyware is secretly attached to free software to harm your computer and steal your personal and financial information.
  • Peer-to-peer software: Do you use a peer-to-peer (P2P) program or other application with a shared network? When you use these applications, you put your system at risk for unknowingly downloading an infected file, including applications like Zlob Trojan.
  • Questionable websites : Did you visit a website that’s of questionable nature? When you visit malicious sites that are fishy and phishy, badware may be automatically downloaded and installed onto your computer, sometimes including applications like Zlob Trojan. I recommend you use Firefox web browser, if you don’t already.

Understanding Zlob Trojan

If you’re infected with Zlob Trojan, you should know what you’re fighting. I’ll explain some definitions related to Zlob Trojan.

Zlob Trojan May Be a Trojan

Trojans install themselves secretly onto your computer, most often through your downloading a simple email attachment (often Trojans pose as harmless pictures). Most Trojans are able to gain complete control over your PC after installation. With this control, the Trojan and the hacker behind it may change your system settings, delete important files, steal your passwords, and watch your computer acitivity.

Infection Methods of Zlob Trojan and Other Trojans

Most Trojans infect your computer by tricking you into launching an infected file. This poisoned file could disguised as a small file, such as a jpeg or other email attachment, or it might be downloaded via a website or FTP.

  • Email: Your PC may be infected with a Trojan when you download infected email attachments, or sometimes even when you simply open an email. Many Trojans exploit security holes in Microsoft Outlook. You may be able to reduce your chances of getting infected by a Trojan by using a spam-blocking software.
  • Websites: Your PC may be infected with a Trojan when you visit a rogue site. Many Trojans exploit security holes in Internet Explorer web browser so that by simply visiting a website you may unknowingly download a Trojan.
  • Open ports: If your computer runs programs that provide file-sharing functions – such as AOL Instant Messenger (AIM), MSN Messenger, and more – you may open your computer up to vulnerabilities. Using file sharing through these applications may create a network that gives attackers the opportunity to remotely access your computer.
Sources
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