Two hours ago I notice something weird on my computer when I browsing the web using Firefox. There were many error messages popping up on the computer screen and Firefox began to freeze. Then, I ran AVG to scan my computer system and it found a threat called JS.Downloader!gen33. I immediately removed the threat and didn’t think much about it. However, only a few minutes after the removal, the bad things happened on my PC again. I scanned with AVG and detected the same threat. Why AVG cannot remove the threat completely? Is there any other tool that can effectively get rid of it? Please help.
- Software Downloads – It enters a computer through free software downloads, especially when the user downloads illegal software or files shared through peer-to-peer networks.
- Instant Messaging Clients – It slips into a computer when the user receives a file or clicks on a link sent by someone via instant messaging programs.
- Suspicious Popups – It lands on a computer when the user clicks on a popup window which hides download link of the Trojan.
- Malicious Websites – It is automatically downloaded on a computer through malicious websites or legitimate websites which have been hacked by cyber hackers, especially when there are vulnerabilities in the user’s web browser.
JS.Downloader!gen33 can carry out a lot of tasks according to the commands set by the cyber hackers. When it gets installed on your computer, it will immediately create .exe files in the Temporary file directory. These files are named with random characters, and may look like this “oYGKURxi6m7.exe”. Then, it will connect to a remote host in order to download its configuration data and even more malware onto your computer. The configuration data decide what the Trojan does on your PC.
It is reported that this Trojan’s activities could include downloading malicious files, installing other malware (like password stealer Win32/Fareit and ransomware Trojan Win32/Crowti.A), uploading files to a remote server, recording keystrokes, taking screen captures, stealing bank account or credit card information, damaging important files & data, and creating a backdoor that can be used by the remote hackers to control your PC. This Trojan will also do some other things to avoid detection and removal. It may disable the Windows Defender or other third-party antivirus programs by terminating the running processes. Besides, it may deactivate the internet connection to prevent you from downloading security tools or installing updates for the security tools.
It is highly recommended to remove JS.Downloader!gen33 from your PC promptly, or else it will bring various problems to your PC. A quick solution is to run a powerful malware removal tool to automatically detect and remove this threat.
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Effects of JS.Downloader!gen33
Here is a list of bad effects that JS.Downloader!gen33 could bring to you:
- It takes a long time for your computer to start up, since the Trojan can download many other types of malware and the number of start-up items will increase.
- Your computer runs slowly and sluggishly since processes of the Trojan and other malware can consume a great deal of memory.
- You may not be able to run Windows firewall and other security-related applications, which makes your computer under risk of furthter malicious attacks.
- Your Internet speed becomes extremely slow since the Trojan and other malware could use your network to download and upload files.
- A lot of popups may constantly appear on your PC which cannot be disabled either by clicking the Close button or X button.
- You may be redirected to undesirable websites, including hacked websites, phishing websites as well as ad- supported websites.
- Some malicious or adverting websites may be added to your Favorites folder. If you accidentally visit these sites, you may unknownly download some malware or potentially unwanted programs on your PC.
- Your activities on the computer could be monitored by the Trojan. For example, what you have done on a document file, what you have entered into a website, and what you have searched in a search engine. These data could be sent to the cyber hackers via emails or a specific server.
- Some of your important files or data could be stolen or damaged by the Trojan, which can result in unwanted losses.
- Your system could continuously restart itself or crash suddenly because of Blue Screen of Death errors or other critical system errors.
How Can You Remove JS.Downloader!gen33 from Your PC Effectively?
JS.Downloader!gen33 is a dangerous Trojan that can sneak into your computer system in different secret ways and then performs a variety of harmful activities on your PC. It can slow down your computer, corrupt your important data and files, bring other malware, spy your activities, and steal sensitive information, etc. The only way to avoid these problems is to quickly remove the Trojan from your PC. You can follow the instructions below to have it removed instantly.
Method 1: Remove the Trojan by performing system restore.
Sometimes, you can remove a malware from your PC by performing system restore. System Restore is a feature that enables you to restore your PC to a previous date, a date at which you know it was working well. But it should be pointed out that, this method doesn’t work, if the malware has infected the Restore Points. Therefore, we cannot ensure that you are able to remove JS.Downloader!gen33 effectively by restoring your system. Anyway, just have a try. Follow these steps please.
For Windows XP
Click Start > All Programs > Accessories > System Tools > System Restore.
In the window that appears, tick Restore my computer to an earlier time option, then click the Next button.
A new window will pop up, and you should select a restore point that possibly hasn’t been infected and then click Next button.
At this point, you will be prompted with a confirmation as to whether or not you want to restore the system to the designated restore point. Click the Next button to confirm.
The computer will shut down and reboot, after doing some thinking and making some changes. When all is done, the computer will be restored to the state it was in at the designated restore point and all should be well.
For Windows 7
Click the Start button, and enter system restore into the search box. In the list of results, find and click on the program named System Restore.
The System Restore window will appear. Tick Choose a different restore point option and click Next button to select the desired restore point.
Tick the checkbox labelling Show more restore points and select a restore point you wish to restore and then click Next button.
Then, confirm your restore point by clicking the Finish button and click Yes button to continue.
Wait for some time until the system restore is completed.
For Windows 8
Right click the bottom left corner of the computer screen, and click Control Panel from the popup menu.
In the open window, select Category from view by, and then click System and Security > System. A new window will open and you need to find and click on Advanced system settings.
A small window will appear. Under System Protection tab, click on System Restore.
A window named System Restore will pop up. Then, click Choose a different restore point and click the Next button.
Now choose a desirable restore point and click Next.
After confirming your restore point, click Finish.
When a small dialog box appears, click Yes button. Then the System Restore will begin.
Wait until the System Restore is done. Your computer will be restarted itself.
Most users fail to get rid of JS.Downloader!gen33 due to the fact that the Trojan infected all their restore points. Are you one among of them? If it is the case, you need to select another solution, namely running a malware removal tool to help you easily and effectively remove this threat out of your machine.
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Method 2: Remove the Trojan automatically by using a malware removal tool.
If system restore doesn’t work, it is suggested that you get rid of the malicious Trojan by using an advanced malware removal tool which can automatically scan for the threats on your PC and delete them all permanently. Here are two tools recommended: SpyHunter and Plumbytes Anti-Malware. Both tools have been proved to be able to detect and delete JS.Downloader!gen33 effectively. Now you can follow the instruction below to automatically remove the harmful Trojan using one of the tools recommended.
Option 1: Use SpyHunter
√ Easily block, detect and remove the latest malware threats.
√ Malware definitions are updated daily.
√ Free technical support and custom fixes for hard-to-kill malware.
Now you can download and install SpyHunter to run a free malware scanning first. If JS.Downloader!gen33 and any other threats are found in your system, you can remove them by registering in SpyHunter.
Download SpyHunter setup file on your computer desktop.
Once the downloading is done, locate and double-click the setup file to run on your PC.
When a window appears as below, click the Run button.
Select your preferred language.
Click CONTINUE button.
Now you can see the installation process.
When you are prompted that the setup is successful, click the EXIT button.
SpyHunter will be launched automaically. You can see its main screen as below. Now run a free malware scan by clicking on the Scan Computer Now button.
SpyHunter now will start scanning your Windows registry, files, and memory for any threats. This scanning process may take 30 minutes or more. Please wait until the scanning to be completed.
Once the scanning is over, you can check all detected threats. SpyHunter will show their detailed information in the result list. To remove all threats, just click the Fix Threats button.
Option 2: Use Plumbytes Anti-Malware
√ Detect, block and remove many types of newly-created malware threats
√ Provide free 24/7 technical support to help fix issues cannot be solved by the tool.
√ Regularly update database to fight against latest threats.
Now you can download Plumbytes Anti-Malware on your computer.
Now you will see Plumbytes Anti-Malware is being downloaded and installed.
Once the installation is done, Plumbytes Anti-Malware will automatically run and start scanning your PC for existing threats. Wait until the scanning is completed.
Then, you will be shown all threats found in your computer system. To remove them all, please click REMOVE SELECTED button.
Warm tips:  If you cannot download SpyHunter or Plumbytes Anti-Malware using your own computer (a Trojan may block you from accessing some security related websites and downloading security tools), you can use another clean computer to download them first and copy them to your PC.  To remove the Trojan more effectively, you can try running the above programs in the safe mode.
Why we don’t suggest manual removal?
Manual removal of JS.Downloader!gen33 is not suggested because that it is time-consuming, low-effective and high risky. To manually remove a Trojan, users need to find out and delete all its related components, including files, codes, entries, startup items, etc. This is a rather complicated task and need users to have certain level of computer expertise. Or else, users won’t be able to successfully get rid of the Trojan, and even worse, they may make some mistakes which could result in serious system damage. Therefore, we don’t give the manual removal guide here, in case that some users would mistakenly operate during the manual removal process and unforunately cause unwanted problems to their computers. If you find any manual removal guide somewhere, don’t try it, even though it seems to be easy to follow. You may make your system mess if any mistake occurs. To safely and effectively remove JS.Downloader!gen33, you can consider using a professional malware removal tool. SpyHunter or Plumbytes Anti-Malware would be a good option. Click the button below to download an automatic malware removal tool to fix your malware problems now!
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