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How to remove the BlockAndSurf-soft malware

Some anti-malware programs classify 170.dll as a harmful extension to Internet Explorer: e.g. Win32:Adware-gen [Adw] or Win32:PUP-gen [PUP] (detected by Avast), and Adware.BL or WS.Reputation.1 (detected by Symantec). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated BlockAndSurf-soft software, it's no surprise. In most cases, this kind of adware is installed on the side when you install a freeware product like a Youtube Downloader or a PDF Converter. In the following selection, you can read more about BlockAndSurf-soft and how to get rid of it.

Click here to automatically remove the BlockAndSurf-soft malware

170.dll file information

The process known as BlockAndSurf-soft belongs to software PassShow or BlockAndSurf by unknown.

Description: 170.dll is not essential for the Windows OS and causes relatively few problems. The 170.dll file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 179,200 bytes (76% of all occurrences), 190,976 bytes, 191,488 bytes or 190,464 bytes. http://www.file.net/process/170.dll.html 
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 9CB9BF52-6347-0774-99A7-9024BC83DE91 or 1FDB7D72-6566-B7C1-4FB2-C36D88DB6D81 or 4 more variants. There is no file information. The program is not visible. It is able to change the behavior of, or monitor Internet Explorer. 170.dll is not a Windows system file. Therefore the technical security rating is 69% dangerous.

Uninstalling this variant: If you want to remove the program completely, go to Control Panel ⇒ Software ⇒ PassShow or ViewPassword.

Recommended: Identify 170.dll related errors

Important: Some malware also uses the file name 170.dll, for example Win32:Adware-gen [Adw] or Win32:PUP-gen [PUP] (detected by Avast), and Adware.BL or WS.Reputation.1 (detected by Symantec). Therefore, you should check the 170.dll process on your PC to see if it is a threat. If BlockAndSurf-soft has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.

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Best practices for resolving 170 issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active 170 process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the 170.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.



Other processes

170.dll [all]