Spybot Free

Spybot – Search & Destroy
Developer(s)Safer-Networking Ltd.
Initial release2000; 20 years ago
Stable release
2.7 / May 3, 2018[1]
Written inDelphi
Operating systemMicrosoft Windows, Windows Mobile, and Symbian (older versions of Spybot only)[2]
TypeSpyware removal software

Protect your PC from a variety of online threats with Spybot - Search and Destroy. Spybot – Search and Destroy provides you with a suite of protection that can help prevent your PC from being infected or adversely affected by spyware and adware. This software can detect and remove malware such as Registry, Winsock LSPs, ActiveX objects, browser hijackers.

Spybot – Search & Destroy (S&D) is a spyware and adware removal computer program compatible with Microsoft Windows, which has free and paid versions. Dating back to the first Adwares in 2000, Spybot scans the computer hard disk and/or RAM for malicious software.

Jan 26, 2009. Take a look at some of features within SpyBot’s settings: By clicking on ‚Schedule‘, decide on when, or how often you would like certain tasks to run. It can be scheduled to run at certain intervals, or as you dictate. ‚Dialogs‘ will show you helpful information regarding the current status, or situation between SpyBot and your computer.

Spybot-S&D was written by the German software engineerPatrick Michael Kolla, and is distributed by Kolla's Irish company Safer-Networking Limited. Development began in 2000 when Kolla, still a student, wrote a small program to deal with the Aureate/Radiate and Conducent TimeSink programs, two of the earliest examples of adware.


Spybot – Search & Destroy is released as freeware for personal users with more featureful versions available for purchase. Corporate and technician users have to buy a commercial version. The paid versions contain an anti-virus component that uses the BitDefender engine.

Spybot features[edit]

In addition to spyware and adware detection and disinfection, Spybot-S&D can repair the registry, winsockLSPs, ActiveX objects, browser hijackers and BHOs, PUPs, HTTP cookies, trackerware, heavy duty, homepage hijackers, keyloggers, LSP, tracks, trojans, spybots, revision, and other kinds of malware. It can also delete tracking cookies. Spybot-S&D has an Immunize function to block the installation of spyware before it occurs e.g. by modifying the hosts file. A secure file deleter is included. Spybot-S&D was not originally intended to replace but complement anti-virus programs (prior to v. 2.1 'Spybot +AV'), but it does detect some common trojans and rootkits. A free-standing rootkit finder, RootAlyzer, is available.[3]

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Some programs are supplied with attached spyware or adware and refuse to run when they are not present; newer versions of Spybot replace the spyware binaries with inert dummies (designed to fool programs which simply check for the presence of the spyware's file).

In order to detect recently created programs efficiently, detection updates are released weekly with other improvements such as added languages and better heuristicalgorithms. These updates are downloaded and installed from within the software from a variety of mirrors.

Spybot-S&D is available for all versions of Windows starting with Windows 95. It is supplied translated into many languages and with several skins. Instructions are available on the website to enable users to design their own skins.

Technical support is currently supplied by means of Internet forums[4] and support e-mails (with a usual response time of no more than 24 hours).

Reviews and awards[edit]

Versions of Spybot-S&D won awards including the World Class 2003 Awards, the PC Magazine Editor's Choice and PC User Top Buy #1. It has been recommended by ZDNet, the Wall Street Journal, The Guardian, MSNBC, CNN and other reviewers. Although PC Magazine initially rated it highly in 2003, their rating declined to 'poor' in 2008 and 'dismal' in 2012, improving to 'fair' in 2014.[5][6]

Newer versions of the program (ver. 2.2.25 and ver. 2.4), issued in 2014, received a 5/5 rating from TechRadar.[7][8] In 2018 TechRadar considered Spybot among 4 of the best anti-malware software available.[9]

.This product may allow you to extend its functionality by accessing certain features that are hosted online, including CS Live online services ('Online Services'), provided you have a high-speed Internet connection. Adobe Dreamweaver CS5 Mac Minimum Requirements Operating System (OS): Macintosh OS X (Mac OS X v10.5.7 or v10.6). Photoshop CS5 / Photoshop Extended CS5 System Requirements Photoshop CS5.1 runs 64-bit native on Mac OS X, Microsoft® Windows Vista®, and Windows® 7 platforms. It can also run in 32-bit mode across all platforms, including Windows XP. 64-bit users should realize noticeably greater gains in performance, in some cases as dramatic as ten times the previous speed. Mac os system requirements for adobe cs5. 2GB of available hard-disk space for installation; additional free space required during installation (cannot install on a volume that uses a case-sensitive file system or on removable flash-based storage devices) 1024x768 display (1280x800 recommended) with qualified hardware-accelerated OpenGL graphics card, 16-bit color, and 256MB of VRAM. Adobe Creative Suite 5, CS5.5, and CS6 applications support Mac OS X v10.8 or v10.9 when installed on Intel-based systems. 1 GB of RAM (2 GB recommended).


Version 1.5 had better compatibility than previous versions with Wine (software which allows running of Windows programs under Linux), and restores compatibility with Windows 95[10] which was faulty in 1.4.[11]

Version 1.6 was said by Safer Networking to scan several times faster than version 1.5.[3]

Version 2.4 was released in July 2014.[12]

Conflicts with commercial anti-malware[edit]

It was reported in 2009 that several commercial security products required users to uninstall the freely available Spybot S&D when they are being installed or run, due to stated incompatibility with memory-resident 'immunizer' TeaTimer (Spybot's real-time protection application).[13]

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The makers of Spybot-S&D came into conflict with Norton Internet Security over compatibility issues in 2006.[14] Symantec recommended uninstalling Spybot-S&D before installing Norton Internet Security. According to Safer Networking, no satisfactory explanation was provided to them for this decision. Antivirus professional Mary Landesman suggests a possible explanation may stem from a graphical glitch in TeaTimer module's confirmation dialog. An official explanation from Safer Networking[15] stated that the error was caused by a bug in the program used to build their code. The result of the bug was that users had difficulty enabling Norton Internet Security to make necessary changes to critical registry areas, such as allowing itself to launch on computer startup. Aside from this, Mary Landesman, like Safer Networking, concluded that the two programs had no issue with one another. The bug was fixed in the 1.5 release.[11]

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Kaspersky Anti-Virus and Kaspersky Internet Security since version 2009 force users to uninstall Spybot during the installation process, although there is no serious incompatibility yet known. The discussion was concluded in the Kaspersky forum, which said not to install Spybot at all. Kaspersky seems to be reluctant to fix the issue, despite receiving several complaints.[16] Incompatibility between the products might occur when Spybot S&D tries to modify the hosts-file (if selected by the user during immunization), which Kaspersky will interpret as an attempt to harmfully manipulate the file. This can be circumvented by not immunizing the hosts-file in Spybot S&D.

Trend Micro Officescan followed Norton, Kaspersky and McAfee in simply removing Spybot without warning or notification afterwards.[17]

Internet Explorer 8[edit]

The immunisation feature of Spybot – Search & Destroy caused Internet Explorer 8 to start slower than expected.[18] Fix KB969897, which resolved this problem while addressing certain other security vulnerabilities, was issued by Microsoft in 2009.[11]

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Malicious lookalikes[edit]

There are several malicious programs designed to look like this anti-malware software, with similar user interfaces and program file names. Some actually install spyware. These programs are known as rogue antispyware. One such program is 'SpywareBot'.[19] This program is a known rogue antispyware program, which fraudulently impersonates various anti-malware software including Spybot Search & Destroy.[20] However, this lookalike, unlike Spybot S&D, requires payment.


  1. ^'Here comes 2.7'. Safer-Networking Ltd. 3 May 2018. Retrieved 22 September 2018.
  2. ^'Compatibility'. Safer-Networking.org. Retrieved 2014-01-03.
  3. ^ ab'Spybot – Search & Destroy from Safer-Networking Ltd'. Safer-Networking.org. Safer-Networking Limited.
  4. ^'Safer-Networking Forums'. Safer-Networking.org. Safer-Networking Limited. Retrieved 13 June 2008.
  5. ^Rubenking, Neil J. 'Spybot Search & Destroy 1.5'. PC Magazine. Ziff Davis. Archived from the original on 11 October 2008. Retrieved 13 June 2008.
  6. ^Rubenking, Neil J. (16 May 2014). 'Spybot - Search & Destroy 2.3'. PC Magazine. Ziff Davis. Retrieved 20 Oct 2018.
  7. ^'SpyBot-Search & Destroy'. TechRadar.com. Future Publishing Limited. Archived from the original on 1 August 2014.
  8. ^'SpyBot-Search & Destroy'. TechRadar.com. Future Publishing Limited.
  9. ^'The best free anti-malware software of 2018'. TechRadar. Retrieved 2018-10-15.
  10. ^'Welcome to Spybot - Search & Destroy 1.5'. Archived from the original on October 4, 2007. Retrieved 13 June 2008.
  11. ^ abc'Bug fixes since 1.5 (updates files available here!)'. Safer-Networking Forums. Safer-Networking Limited. Retrieved 2013-11-10.
  12. ^'Version 2.3, a more user orientated version of Spybot has now been released'. Safer-Networking.org. Safer-Networking Limited. 28 April 2014. Archived from the original on 9 May 2014.
  13. ^'Spybot Search & Destroy competitors are trying to force its removal'. Betanews. 7 April 2009.
  14. ^Landesman, Mary (October 3, 2006). 'Symantec and Spybot: War of the Words'. Archived from the original on 29 October 2006. Retrieved 18 September 2007.
  15. ^'Small bugs in TeaTimer'. June 22, 2005. Archived from the original on May 2, 2007. Retrieved 18 September 2007.
  16. ^'Kaspersky 8 (2009)+Spybot?'. Forums.spybot.info. Safer-Networking Limited. 3 September 2008. Archived from the original on 13 October 2008. Retrieved 28 April 2013.
  17. ^'Safer-Networking Forums - View Single Post - Trend Micro Officescan 8.x UNINSTALLS SPYBOT!!!'. Forums.spybot.info. 2008-01-17. Retrieved 28 April 2013.
  18. ^'Internet Explorer 9 and Internet Explorer 8 take longer than expected to start (KB969938)'. Support.microsoft.com. 2012-06-29. Archived from the original on 4 June 2011. Retrieved 28 April 2013.
  19. ^Vincentas (18 October 2012). 'TheSpyBot.exe in SpyWareLoop.com'. Spyware Loop. Retrieved 28 July 2013.
  20. ^Spyware Warriors Rogue Antispyware Listing

External links[edit]

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