Guffins Toolbar
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
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Ranking: The ranking of a particular threat in EnigmaSoft’s Threat Database.
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Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Ranking: | 11,295 |
| Threat Level: | 50 % (Medium) |
| Infected Computers: | 16,825 |
| First Seen: | February 8, 2011 |
| Last Seen: | September 14, 2023 |
| OS(es) Affected: | Windows |
The Guffins Toolbar is a browser toolbar that malware analysts have linked to unwanted symptoms and potential threat-like symptoms. The Guffins Toolbar may affect the most popular browsers on the market, including Safari, Chrome, Firefox and Internet Explorer. The Guffins Toolbar is promoted as a way to carry out searches effectively directly from your Web browser. However, any supposed benefits of using the Guffins Toolbar are far outweighed by symptoms associated with this browser extension. The Guffins Toolbar has often been classified as a Potentially Unwanted Program or PUP.
Table of Contents
Infection Vectors Used by the Guffins Toolbar
The Guffins Toolbar is often included in the installation process of various freeware programs as a way for the creators of freeware to finance their efforts. However, many computer users have noted that the Guffins Toolbar makes changes to their browser settings such as changing the default search engine. These changes may be inconvenient and often invasive. Usually, it is possible to opt out from installing the Guffins Toolbar. However, computer users in a rush may click through the installation process without taking note of this option. While the Guffins Toolbar does not pose a direct threat to your computer, the fact that the Guffins Toolbar changes your browser's default search engine and causes some browser redirects may quickly become irritating. It is important for software developers to realize that forcing computer users to install a toolbar or change their search engine is no longer a viable option due to these tactics' association with harmful threats.
The Guffins Toolbar Should Be Removed from Your Computer
While it is usually a good idea to scan your computer with a reliable anti-malware program periodically, this may not recognize the Guffins Toolbar as a PUP. Because of this, security analysts recommend first uninstalling the Guffins Toolbar using normal software uninstallation procedures. Once the Guffins Toolbar has been removed, a reliable security program should be used to scan the infected computer in search for any remaining components. Finally, malware analysts recommend making sure that no changes made by the Guffins Toolbar to your computer's settings remain in place once this PUP has been removed.
Aliases
15 security vendors flagged this file as malicious.
| Anti-Virus Software | Detection |
|---|---|
| Kaspersky | not-a-virus:WebToolbar.Win32.MyWebSearch.qe |
| Avast | Win32:FunWeb-K [PUP] |
| ClamAV | Adware.Funweb-12 |
| Avast | Win32:PUP-gen [PUP] |
| DrWeb | Tool.InstallToolbar.5 |
| Kaspersky | not-a-virus:WebToolbar.Win32.MyWebSearch.gen |
| Avast | Win32:FunWeb-F [PUP] |
| Comodo | UnclassifiedMalware |
| AntiVir | TR/Dropper.Gen |
| eSafe | Win32.TRDropper |
| Ikarus | Trojan-Dropper |
| McAfee | Artemis!FF93BBA8ED92 |
| Kaspersky | not-a-virus:WebToolbar.Win32.MyWebSearch.gi |
| Kaspersky | not-a-virus:AdWare.Win32.FunWeb.kg |
| Antiy-AVL | AdWare/Win32.FunWeb.gen |
SpyHunter Detects & Remove Guffins Toolbar
File System Details
| # | File Name | MD5 |
Detections
Detections: The number of confirmed and suspected cases of a particular threat detected on
infected computers as reported by SpyHunter.
|
|---|---|---|---|
| 1. | u4barsvc.exe | d567a0e42a9846e16af175d1a5a0a6e2 | 4,296 |
| 2. | u4brmon.exe | 88501a730bdf8b10289c86948bce3088 | 3,786 |
| 3. | u4SrcAs.dll | 0a7f45f8a11ed8b5bf17c377ef2742a7 | 2,141 |
| 4. | qvbarsvc.exe | 7b4f2eec968a92450d8d076f9be0e39f | 806 |
| 5. | qvbrmon.exe | 040725c563b443fc5657c7748094fd08 | 787 |
| 6. | u4SrcAs.dll | 760b1e71604a9c93df98124c0008aaa8 | 422 |
| 7. | u4barsvc.exe | 0e06a823e4ab5be8e9d975b30301231a | 398 |
| 8. | u4brmon.exe | 0f043fdb2a609b6e505b520b44b523f2 | 348 |
| 9. | u4bar.dll | bc63b10fbfeffe202bdb75330198e6af | 348 |
| 10. | u4bar.dll | 3a9faa31508c511cf697d2641cb2524f | 267 |
| 11. | u4SrcAs.dll | dd818f409822afbdb199dbfe05ee3baa | 263 |
| 12. | qvbrmon.exe | 78eb108c714b2b39b0240616fe0a1631 | 204 |
| 13. | u4bar.dll | c0c916f2176b8ba0dfc80b150876b270 | 28 |
| 14. | u4bar.dll | 12f94d14280b886cd6da6c3c4d0fea76 | 12 |
| 15. | tb_guffins.exe | 7c2593e3cde42c5ce14193fe69d9e85b | 1 |
Registry Details
Directories
Guffins Toolbar may create the following directory or directories:
| %APPDATA%\GuffinsEI |
| %LOCALAPPDATA%\Guffins |
| %PROGRAMFILES%\Guffins |
| %PROGRAMFILES%\GuffinsEI |
| %PROGRAMFILES(X86)%\Guffins |
| %PROGRAMFILES(X86)%\GuffinsEI |
| %USERPROFILE%\AppData\LocalLow\Guffins |
| %USERPROFILE%\AppData\LocalLow\GuffinsEI |
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