74,139,804 programs installed

Should I remove Flowsurf?

What percent of users and experts removed it?
68% remove it32% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #35,124
Reach 0.0036%
Lifespan of installation (until removal)
< 11.71 days
345.58 days >
Average installed length: 181.57 days


VersionDistribution 33.33%
2.2.1 17.65%
2.1.2 49.02%

Other programs by FlowSurf Apps


What is Flowsurf?

FlowSurf is an adware program (supported by various types of advertising) that is usually bundled by third party installers and download managers. Once installed, this ad-supported web browser extension will run within the context of the user's browser (supports Internet Explorer, Chrome and Firefox) and is primarily designed to inject advertisements in a number of formats within the web pages the user is visiting. Ad insertion takes place in the form of both full banner adverts as well as text-hyperlinks that are injected over existing HTML content. As for the banners, these are either inserted within existing white space in the rendered HTML or by overwriting the pages ads. In either case, these ads are not associated by the underlying website and are simply injected by the adware through an extension, BHO or plugin depending on the browser.

About  (from FlowSurf Apps)

The Software Product can be completely uninstalled in a straightforward manner and without requiring undue effort or skill, in most cases by using the traditional “add/remove” programs function on your computer. Please be advised that certain Internet browsers may treat the Software Product as an “Add-On,” “Extension” ...  Read more
  • Malware detected in the program
  • Starts automatically
  • Integrates into the web browser
  • Displays advertisements unassociated with the underlying web page
  • The wisdom of the experts agree, if you don't use it you should remove it!
Warning, multiple anti-virus scanners have detected possible malware in Flowsurf.
flowsurf.dll (2b87a437445e7a42b0e3c54071eef061) has been flagged by the following 4 scanners:
Anti-Virus softwareVersionDetection
Comodo Security 20116 Application.Win32.Altbrowse.AK
Malwarebytes v2014.11.20.03 PUP.Optional.FlowSearch.A
Symantec 11/20/2014 rev. 5 WS.Reputation
TrendMicro-HouseCall 7.2.324 Suspicious_GEN.F47V1108
setupfs_1123.exe (369c15bae2ca70bc466fc2a53760fb1a) has been flagged by the following 23 scanners:
Anti-Virus softwareSoftware versionDetection
Antiy-AVL Trojan/Win32.SGeneric
avast! 8.0.1489.320 Win32:Malware-gen
AVG Generic6.AAWN
Avira TR/Agent.5442433
AVware Trojan.Win32.Generic!BT
Baidu-International Trojan.NSIS.Adload.AK
Comodo Security 21695 ApplicUnwnt
Cyren W32/Trojan.PRUI-3556
Dr.Web Trojan.KillFiles.23205
ESET-NOD32 11444 a variant of Win32/Komodia.A potentially unsafe
IKARUS anti.virus T3. PUA.FlowSurf
K7 AntiVirus 9.202.15530 Unwanted-Program ( 004b89781 )
K7GW 9.202.15530 Unwanted-Program ( 004b89781 )
Kaspersky UDS:DangerousObject.Multi.Generic
McAfee Artemis!369C15BAE2CA
McAfee-GW-Edition v2015 BehavesLike.Win32.Downloader.tc
NANO AntiVirus Trojan.Win32.KillFiles.dobcbg
Norman 7.04.04 Troj_Generic.YLGRY
Qihoo-360 HEUR/QVM42.0.Malware.Gen
Symantec 20141.2.0.56 Trojan.Gen
Trend Micro 9.740.0.1012 TROJ_GEN.R00UC0OBD15
TrendMicro-HouseCall 9.700.0.1001 TROJ_GEN.R00UC0OBD15
VIPRE Antivirus 39180 Trojan.Win32.Generic!BT
fsupd.exe (2b140f9d8cd365bf8522a5118d0b06ef) has been flagged by the following 6 scanners:
Anti-Virus softwareSoftware versionDetection
Baidu-International Hacktool.Win32.Downloader.aot
CAT-QuickHeal 14.00 Downloader.Agent.r5 (Not a Virus)
Dr.Web Adware.Searcher.2649
Kaspersky not-a-virus:Downloader.Win32.Agent.cezq
NANO AntiVirus Trojan.Win32.Agent.deyady
Vba32 AntiVirus Downloader.Agent
       View all 33 all detections

Program detailsProgram details

Displayed publisher: Flowsurf
URL: www.flowsurf.net/search.php
Installation folder: C:\Program Files\flowsurf
Uninstaller: C:\Program Files\Flowsurf\uninstall.exe
Estimated size: 1.19 MB

Program filesFiles installed by Flowsurf

Program module:flowsurf.dll (Malware detected)
FlowSurf toolbar
Path:C:\Program Files\flowsurf\flowsurf.dll
Additional files:
  • uninstall.exe - Flowsurf
  • abenginecert.dll (by Abengine)
  • abengine64.dll (by Abengine)
  • lengine64.exe
  • abengine.dll
  • abenginewd.dll - abengine.exe
  • lengine.exe
  • setupfs_1123.exe (by FastSearch) - FastSearch
  • (Malware detected) fsupd.exe

Program behaviorsBehaviors exhibited

Internet Explorer BHO
  • flowsurf.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'FlowSurf' with the class of {E3F1CA13-EA0E-4617-8D03-3EAA6A94A7E0} (HelloWorldBHO).
Internet Explorer Extension
  • flowsurf.dll is installed as an Internet Explorer extension as 'HelloWorldToolbar Class' with a class of {6CA2A4DE-483E-456B-8634-6445460D7097}.
Scheduled Task (Boot/Login)
  • fsupd.exe is automatically launched at startup through a scheduled task named fsupdate.

How do I remove Flowsurf?

Quickly and completely remove Flowsurf from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Download "Should I Remove It?", it's FREE!Remove Flowsurf from your computer.
Or, you can uninstall Flowsurf from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Flowsurf, click it, and then do one of the following:
    • Windows Vista/7/8: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Flowsurf.
  4. If for some reason uninstallation fails, please install Microsoft's uninstall fixer utility which will help fix problems with programs that can't be uninstalled at support.microsoft.com.

How do I reset my web browser?

If your web browser homepage and search settings have been modfied by Flowsurf you can restore them to their previous default settings.
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome
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Win 7 (SP1) 63%
Win Vista (SP2) 2%
Scheduled task? Yes
(Runs on Windows boot)
Uninstall it 68%
Keep it 32%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 66.67%
Windows 8 21.57%
Windows XP 7.84%
Windows Vista 3.92%
Which OS releases does it run on?
Windows 7 Home Premium 43.14%
Windows 8.1 17.65%
Windows 7 Professional 13.73%
Microsoft Windows XP 7.84%
Windows 7 Ultimate 5.88%
Windows Vista Home Premiu... 3.92%

Distribution by countryGeography

38.18% of installs come from Germany
Which countries install it?
  Germany 38.18%
  France 10.91%
  Italy 10.91%
  United States 9.09%
  Australia 7.27%
  United Kingdom 5.45%
  Austria 3.64%
  Belgium 1.82%
  Norway 1.82%
  Switzerland 1.82%
  Finland 1.82%
  Sweden 1.82%
  Spain 1.82%
  Netherlands 1.82%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 25.00%
Dell 17.50%
Acer 17.50%
Medion 7.50%
Sony 5.00%
Toshiba 5.00%
Intel 2.50%
American Megatrends 2.50%
Sahara 2.50%
Lenovo 2.50%
Samsung 2.50%
Common models
HP Pavilion g7 Notebook P... 4.88%
Gigabyte Z68XP-UD3 2.44%
Dell Computer Dimension 3... 2.44%
Packard Bell EasyNote TE6... 2.44%
HP Pavilion dv6 Notebook ... 2.44%


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