Adfoc.us You might have come across Adfoc.us most likely because your computer has been suffering from too many and too aggressive ads and browser redirects, which are constantly appearing. If so, your problem\u2019s source is an Browser Hijacker-like program, most probably Adfoc.us. On the one hand, you should not panic - Adfoc.us\u00a0is not an actual virus in any way and cannot harm your computer on its own. On the other hand, it may appear particularly irritating and may redirect you to possibly dangerous websites and software. The following information will make the entire picture clearer to you as it explains the typical features, methods of distribution and ways of removal of Adfoc.us "virus". The Adfoc.us Virus At first the Adfoc.us Virus originated as a direct-marketing-campaign tool. Its characteristics fully match the typical behaviour of Browser Hijacker. The advertisement campaigns of the Adfoc.us Virus generates might constantly renew themselves because this Browser Hijacker version has been built according to the pay-per-click system. In other words- the bigger the number of the displayed and clicked-on ads gets, the bigger the amount of the generated profits is. Another typical feature of Adfoc.us is that it can predict and automatically fit the pop-up flow to your tastes and preferences. If Browser Hijacker doesn\u2019t ring a bell Browser Hijacker is derived from the term \u201cadvertisement software". Apparently, this software represents the programs that generate probably unwanted ads in various forms (pop-ups\/banners\/pop-unders\/newly-opened browser tabs and windows). Nonetheless, Browser Hijackers are criticized because they may use quite intrusive in the way they disturb your browsing process and at times rather shady methods of distribution. However, please, don\u2019t get panicked! Browser Hijacker is not similar to malware because it cannot self-replicate, compromise private data or take control of the computer system. What\u2019s more, you can be sure that Browser Hijacker-like programs will not demand money as ransomware typically does. They just need your attention and time because they are paid to promote services and products. How do we get to know this buddy? It is important to mention the fact that generating ads is a completely legitimate practice, that is very profitable for its owners. As a result, as you might expect, the chance to get to know Browser Hijacker personally is very high. Here we are going to discuss the most common distribution methods that are exploited by the Browser Hijacker\u2019s developers. To begin with, those distribution methods may greatly vary. That\u2019s why we will focus on the ones that are most often used. Among the usual suspects are software bundles. Usually developers may tend to put Browser Hijacker-based apps in the shareware bundles, so that they can generate some additional profits.\u00a0Nonetheless, it is essential to know that not all Browser Hijacker depends on illegitimate practices. Many of the Browser Hijacker-developing and distributing companies are absolutely legal. In most of the cases this ad-producing software might just seem extremely disturbing. However, some of the Browser Hijacker programmers could be indeed less scrupulous and could be likely to program their Browser Hijacker-based products to track your browsing habits search requests online. This is how this type of software is able to show mainly advertisements related to your recent searches and personal tastes. Another possible threat that may come from Browser Hijacker is that the generated pop-ups and banners could redirect you to webpages with probably dangerous content like, for example - Ransomware. Another possible way a user may get \u00a0infected with Browser Hijacker is by visiting an already infected page in the web. \u00a0One more option of catching such irritating software is by using a torrent website that is not trustworthy. Be cautious because Browser Hijacker is able to integrate itself into all the most famous browsers (Firefox, Chrome, Opera and Internet Explorer). Prioritizing prevention It is essential that you always make prevention a priority. An already occurred problem may be harder to be solved than to be simply avoided. Be careful and always strive to keep your system and yourself out of trouble. Some of the advice that comes in handy is to purchase reliable anti-virus software with a good reputation and trustworthy image, to always enable your firewalls and pop-up blocking tools. Another important aspect of being fully safe is to learn how to properly install free software. The best possible way is to always choose the \u201cManual\/Customized\u201d feature of the installer. Also, it will be necessary for you to carefully read all the End-User Agreements and menus to be better aware of the programs you integrate into your PC. If you closely follow our prevention tips, you will be out of trouble. What to do in case of an infection with this Browser Hijacker Unfortunately, your system has have already been infected with Adfoc.us. Then, you will have to be careful. Always try to avoid clicking on any place in the pop-ups and banners, different from the Adfoc.us. You should only try to close them down. You may find that some of them can be removed easily and no professional help will be required. Nevertheless, others could require more profound actions to be performed. In both cases you should really try to stay calm. The removal guide below has been prepared to assist you in dealing with your problem in a simple and efficient way. SUMMARY: Name Adfoc.us Type Browser Hijacker Danger Level Medium\u00a0(nowhere near threats like Ransomware, but still a security risk) Symptoms Disturbing and maybe hard-to-close ads appear constantly. The machine may get slower. Distribution Method Usually within a software bundle. Possibly via torrents and infected websites. Detection Tool Remove Adfoc.us Virus To try and remove Adfoc.us quickly you can try this: \tGo to your browser\u2019s settings and select More Tools (or Add-ons, depending on your browser). \tThen click on the Extensions tab. \tLook for the Adfoc.us extension (as well as any other unfamiliar ones). \tRemove Adfoc.us by clicking on the Trash Bin icon next to its name. \tConfirm and get rid of Adfoc.us and any other suspicious items. If this does not work as described please follow our more detailed Adfoc.us removal guide below. If you have a Windows virus, continue with the guide below. If you have a Mac virus, please use our How to remove Ads on Mac guide. If you have an Android virus, please use our Android Malware Removal guide. If you have an iPhone virus, please use our iPhone Virus Removal guide Some of the steps will likely require you to exit the page. Bookmark it for later reference. Reboot in\u00a0Safe Mode\u00a0(use this guide if you don't know how to do it). WARNING! READ CAREFULLY BEFORE PROCEEDING! Press CTRL + SHIFT + ESC at the same time\u00a0and\u00a0go to the\u00a0Processes Tab (the "Details" Tab on Win 8 and 10). Try to determine which processes are dangerous.\u00a0 Right click on each of them\u00a0and select Open File Location. Then scan the files with our free online virus scanner: After you open their folder,\u00a0end the processes\u00a0that are infected, then delete their folders.\u00a0 Note:\u00a0If you are sure something is part of the infection - delete it, even if the scanner doesn't flag it. No anti-virus program can detect all infections.\u00a0 Hold together the Start Key and R. Type\u00a0appwiz.cpl -->\u00a0OK. You are now in the Control Panel. Look for suspicious entries.\u00a0Uninstall it\/them. Type msconfig in the search field and hit enter.\u00a0A\u00a0window will pop-up: Startup --->\u00a0Uncheck\u00a0entries that have "Unknown" as Manufacturer or otherwise look suspicious. Hold the Start\u00a0Key\u00a0and\u00a0R\u00a0- \u00a0copy +\u00a0paste the following and click OK: notepad %windir%\/system32\/Drivers\/etc\/hosts A new\u00a0file will open. If you are hacked, there will be a bunch of other IPs connected to you at the bottom. Look at the image below: If there are suspicious IPs below "Localhost" -\u00a0write to us in the comments. Open the start menu and search for Network Connections (On Windows 10 you just write it after clicking the Windows button), press enter. \tRight-click on the Network Adapter you are using --->\u00a0Properties --->\u00a0Internet Protocol Version 4 (ICP\/IP), click \u00a0Properties. \tThe\u00a0DNS line should be set to Obtain DNS server automatically. If it is not, set it yourself. \tClick on Advanced --->\u00a0the DNS tab. Remove everything here (if there is something)\u00a0--->\u00a0OK. \tAfter you complete this step, the threat will be gone from your browsers. Finish the next step as well or it may reappear on a\u00a0system reboot. Right click\u00a0on the browser\u2019s shortcut --->\u00a0Properties. NOTE: We are showing Google Chrome, but\u00a0you can do this for Firefox and IE (or Edge). Properties \u2014\u2013> Shortcut.\u00a0In\u00a0Target, remove everything\u00a0after\u00a0.exe. \u00a0\u00a0Remove Adfoc.us\u00a0from Internet Explorer: Open\u00a0IE, click\u00a0\u00a0\u00a0\u2014\u2013>\u00a0Manage Add-ons. Find the threat\u00a0--->\u00a0Disable. Go to\u00a0\u00a0\u2014\u2013>\u00a0Internet Options --->\u00a0change\u00a0the\u00a0URL\u00a0to whatever you use (if hijacked) --->\u00a0Apply. \u00a0Remove\u00a0Adfoc.us\u00a0from Firefox: Open\u00a0Firefox,\u00a0click\u00a0\u00a0\u00a0 \u2014\u2014->\u00a0Add-ons\u00a0---->\u00a0Extensions. Find the adware\/malware\u00a0--->\u00a0Remove. Remove\u00a0Adfoc.us\u00a0from Chrome: Close Chrome. Navigate to: \u00a0C:\/Users\/!!!!USER NAME!!!!\/AppData\/Local\/Google\/Chrome\/User Data.\u00a0There is\u00a0a Folder called "Default" inside: Rename it to Backup Default. Restart Chrome. Type Regedit in the windows search field and press Enter. Inside, press CTRL and F together and type the threat's Name. Right click and delete any entries you find with a similar name. If they don't show up this way, go manually to these directories and delete\/uninstall them: \tHKEY_CURRENT_USER----Software-----Random Directory. It could be any one of them - ask us if you can't discern which ones are malicious. HKEY_CURRENT_USER----Software---Microsoft----Windows---CurrentVersion---Run-- Random HKEY_CURRENT_USER----Software---Microsoft---Internet Explorer----Main---- Random If the guide doesn't help, download the\u00a0anti-virus program we recommended or try our free online virus scanner. Also, you can always ask us in the comments for help!