Malware researchers uncovered a new threat called the tf.org browser hijacker which can be deleted by following our removal guide.
Tf.org Browser Hijacker Description
The tf.org browser hijacker is a dangerous virus infects that modifies the settings of the currently installed web browsers. The malware comes in the form of an extension that modifies the essential settings of the browsers. This includes Mozilla Firefox, Google Chrome, Internet Explorer and Microsoft Edge. Once installed the hijacker changes the default home page, new tabs page and search engine to point to a hacker-controlled address.
In addition other dangerous modifications can be made – the criminal operators of the hijacker may steal the tracking cookies, web history, stored account credentials, saved form data and other related content.
The hijacker tf.org browser hijacker creates specific batch files in the %UserProfile%\AppData\Roaming\Browsers\ location.
They contain obfuscated commands that lead to a specific hacker-specified page. The captured malware samples all redirect to the tf.org site which is a counterfeiet search engine that promotes sponsored content.
We made an inquiry about the domain owner of the site and the public list shows the following information:
REGISTRANT CONTACT
Name:Evgenii Golubev
Organization:Wishka Systems
Street:Turistskaya 20-2
City:Moscow
State:Moscow
Postal Code:125480
Country:RU
Phone:+7.4954944390
Email:[email protected]
Browser hijackers like this one are substantial threats to the security of the affected computers due to the following reasons:
- Redirection – The hackers redirect the victims to a third-party hacker-controlled site which collects data about them. It may also show sponsored content which provides false search results.
- Information Harvesting – The virus is able to extract valuable data from the victim browsers. This includes saved form data, account credentials, bookmarks and etc.
- Wide Browser Support – It is very likely that a version has been made for the most popular web browsers. The list includes Mozilla Firefox, Google Chrome, Internet Explorer, Safari and Microsoft Edge.
- Additional Malware Delivery – Hijackers like this one can be used to deliver other malware to the infected computers.
- Spying – As the virus is able to transmit valuable information to the remote attackers it can be employed as a spying and surveillance tool.
We cannot confirm if this is an actual person or an anonymous identity. The site itself uses a custom Google search engine which has been modified to show third-party sites and search results.
The malicious tf.org browser hijacker can be installed on the victim computers by various means. The following strategies can be used:
- Hacker-controlled Sites – Various scam sites can deliver the hijacker by promoting it as an useful extension.
- Software Bundles – The extension can easily be bundled in various software installation packages. Similar to other viruses the hackers use popular free or trial versions of applications, games, updates, patches and etc.
- P2P Sites – Networks like BitTorrent other P2P software frequently distribute hijackers such as this one on various platforms.
Possible Updates To The Tf.org Browser Hijacker
There are various types of browser hijackers. Depending on the type of malware a future update can include any of the following features:
- Rogue Application Presentation – Some types of browser hijackers create counterfeit notification prompts which aim to scare the victims into thinking that their computer has been infected by viruses. The hijackers redirect them to a product page or download portal where they are offered a solution.
- Endless Redirection – Browser hijacker typically redirect the users to hacker-controlled sites for various reasons. However some of them do this in a way which makes browsing practically impossible. Examples of such strains process all user queries through non-existent sites. As a result it is impossible to browser any site.
- Stealth Installation Hijackers – These hijackers attempt to show no sign of infection and attempt to hide themselves from the users as much as possible. They change the application settings to pass traffic through hacker-controlled sites however no obvious preferences are modified.
- Information Stealing Trojan Browser Hijackers – Advanced forms of browser hijacker can include code that is able to harvest sensitive information from the victims. This includes not only their stored account credentials, browsing history, cookies, preferences, saved form data and etc., but also files from their computers.
- Additional Payload Delivery – The malicious extension can be used to deliver viruses to the infected computer.
- Obtrusive Ads – The browser hijacker can directly display ads in various forms (text, graphics, in-page, hybrid and etc.) of paying customers. This tactic generates revenue for the hijacker operators based on the amount of infected victims and frequency of interaction with the advertised service.
- Performance Impact – Other types of malware can cause delibrate performance issues. This can include anything from slow-downs to application crashes and even operating system boot up problems.
- Security Software Bypass – Advanced hijackers are found to disable the installed security solutions. This means that the hijackers can be used as a first-stage infection in a complex malware installation attempt. This is particularly useful for ransomware.
- Persistent Installation – The virus can achieve a persistent state of execution which makes removal possible with the use of a quality anti-spyware solution.
- Identity Spoofing – A notable example of such behavior was a particular strain of browser hijackers which stole cookies that were used to conduct malicious activities. The hijacker used the cookie to install malicious Android app onto the user’s phone without their consent.
Using a quality anti-spyware solution Internet users can defend themselves against possible virus installations. All active threats can be removed using only a few mouse clicks.
Protect Yourself From Hijackers like Tf.org
To completely eliminate the threat we suggest that all infected users use a quality anti-spyware tool as it can both delete active infections with only a few mouse clicks and provide strong protection against all kinds of threats.
SpyHunter anti-malware tool will diagnose all current threats on the computer. By purchasing the full version, you will be able to remove all malware threats instantly. Additional information about SpyHunter / Help to uninstall SpyHunter
Tf.org Browser Hijacker Removal Guide
Manual removal of Tf.org Browser Hijacker requires being familiar with system files and registries. Removal of any important data can lead to permanent system damage. You could prevent this troublesome effect and delete Tf.org Browser Hijacker browser hijacker with SpyHunter malware removal tool.
STEP I: Start the PC in Safe Mode with Network
This will isolate all files and objects created by the browser hijacker so they will be removed efficiently.
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1) Hit WIN Key + R
- 2) A Run window will appear. In it, write “msconfig” and then press Enter
3) A Configuration box shall appear. In it Choose the tab named “Boot”
4) Mark “Safe Boot” option and then go to “Network” under it to tick it too
5) Apply -> OK
Or check our video guide – “How to start PC in Safe Mode with Networking”
STEP II: Remove Tf.org Browser Hijacker from Windows
Here’s a way to remove the program. This method will work regardless if you’re on Windows 10, 8, 7, Vista or XP. Simply selecting the program and pressing delete won’t work, as it’ll leave a lot of small files. That’s bad because these leftovers can linger on and cause all sorts of problems. The best way to delete a program is to uninstall it. Here’s how you can do that:
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1) Hold the “Windows” button (It’s between CTRL and Alt on most keyboards) and press “R”. You’ll see a pop-up window.
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2) In the textbox, type “appwiz.cpl”, then press“ Enter ”.
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3) The “Programs and features” menu should now appear. It’s a list of all the programs installed on the PC. Here you can find the program, select it, and press “Uninstall“.
STEP III: Remove Tf.org Browser Hijacker From Your Browser
Before resetting your browser’s settings, you should know that this action will wipe out all your recorded usernames, passwords, and other types of data. Make sure to save them in some way.
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1) Start Mozilla Firefox. In the upper right corner, click on the Open menu icon and select “Add-ons“.
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2) Inside the Add-ons Manager select “Extensions“. Search the list of extensions for suspicious entries. If you find any, select them and click “Remove“.
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3) Click again on the Open menu icon, then click “Options“.
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4) In the Options window, under “General” tab, click “Restore to Default“.
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5) Select “Search” in the left menu, mark the unknown search engine and press “Remove”.
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1) Start Google Chrome. On the upper-right corner, there a “Customize and Control” menu icon. Click on it, then click on “Settings“.
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2) Click “Extensions” in the left menu. Then click on the trash bin icon to remove the suspicious extension.
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3) Again in the left menu, under Chrome, Click on “Settings“. Go under “On Startup” and set a new page.
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4) Afterward, scroll down to “Search“, click on “Manage search engines“.
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5) In the default search settings list, find the unknown search engine and click on “X“. Then select your search engine of choice and click “Make default“. When you are ready click “Done” button in the right bottom corner.
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1) Start Internet Explorer. Go to the “Tools” menu and click on “Manage add-ons“.
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2) In the “Manage add-ons” window, bellow “Add-on Types“, select “Toolbars and Extensions“. If you see a suspicious toolbar, select it and click “Remove“.
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3) Then again in the “Manage Add-ons” window, in “Add-on Types“, Select “Search Providers“. Chose a search engine and click “Set as default“. Select the unknown search engine and click “Remove and Close”.
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4) Open the Tools menu, select “Internet Options”.
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5) In the “General” tab, in “Home page”, enter your preferred page. Click “Apply” and “OK”.
STEP IV: Remove Completely Tf.org Browser Hijacker Browser Hijacker Using SpyHunter Anti-Malware Tool
SpyHunter anti-malware tool will diagnose all current threats on the computer. By purchasing the full version, you will be able to remove all malware threats instantly. Additional information about SpyHunter / Help to uninstall SpyHunter
STEP V: Repair Windows Registry
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1) Again type simultaneously the Windows Button + R key combination
2) In the box, write “regedit”(without the inverted commas) and hit Enter
3) Type the CTRL+F and then write the malicious name in the search type field to locate the malicious executable
4) In case you have discovered registry keys and values related to the name, you should delete them, but be careful not to delete legitimate keys
Further help for Windows Registry repair
STEP VI: Preventive Security Measures
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1) Enable and properly configure your Firewall.
2) Install and maintain reliable anti-malware software.
3) Secure your web browser.
4) Check regularly for available software updates and apply them.
5) Disable macros in Office documents.
6) Use strong passwords.
7) Don’t open attachments or click on links unless you’re certain they’re safe.
8) Backup regularly your data.
