Should I remove grassmow?
What percent of users and experts removed it?
80% remove it20% keep it
What do people think about it?
(click star to rate)
How common is it?
Reach 0.0005%
Lifespan of installation (until removal)
Average installed length: 17.88 days
Versions
| Version | Distribution |
| 2014.11.26.162215 |
11.11% |
|
| 2014.11.10.122055 |
11.11% |
|
| 2014.10.27.222650 |
11.11% |
|
| 2014.10.20.205810 |
11.11% |
|
| 2014.10.19.135847 |
11.11% |
|
| 2014.10.12.130356 |
11.11% |
|
| 2014.10.05.143132 |
11.11% |
|
| 2014.09.25.090218 |
11.11% |
|
| 2014.09.15.120410 |
11.11% |
|
Other programs by Yontoo Technology
grassmow
What is grassmow?
grassmow is a web browser extension that injects display advertising in the user's browser. Ads are displayed in the form of banners and contextual text-links and are both injected in white space areas of the HTML page or over existing ads of the underlying web site. These ads are typically for PC optimization utilities, other bundled malware or other types of malvertising.
About (from Yontoo Technology)
Enhance the web with grassmow.
Overview
The most common release is 2014.11.26.162215, with over 98% of all installations currently using this version. Upon being installed, the software adds a Windows Service which is designed to run continuously in the background. Manually stopping the service has been seen to cause the program to stop functing properly. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. It adds a Browser Helper Object (BHO) to Internet Explorer. The primary executable is named grassmowbho.dll. A majority of users end up uninstalling this less than a week of it being installed. The setup package generally installs about 9 files and is usually about 1.5 MB (1,573,602 bytes).
- Malware detected in the program
- Integrates into the web browser
- Installs a Windows Service
- Typically distributed through a pay-per-install bundle
- This program has a poor reputation
- The experts agree, you should remove it!
Warning, multiple anti-virus scanners have detected possible malware in grassmow.
| grassmowbho.dll (04cfaa2d14fd2c8cb16c7a8fbfab2c6f) has been flagged by the following 12 scanners: |
| Anti-Virus software | Version | Detection |
| AVG |
2015.0.3285 |
BrowseFox.F |
| Avira |
7.11.171.244 |
ADWARE/BrowseFox.Gen2 |
| Comodo Security |
19509 |
Application.Win32.BrowseFox.JM |
| Dr.Web |
9.0.0.0324 |
Trojan.BPlug.144 |
| ESET-NOD32 |
8.10414 |
a variant of Win32/BrowseFox.O |
| Fortinet FortiGate |
11/20/2014 |
Riskware/BrowseFox |
| IKARUS anti.virus |
t3scan.1.7.8.0 |
AdWare.BrowseFox |
| Malwarebytes |
v2014.11.20.02 |
PUP.Optional.Grassmow.A |
| McAfee |
5600.6941 |
Artemis!04CFAA2D14FD |
| McAfee-GW-Edition |
7.6941 |
Artemis |
| Qihoo-360 |
1.0.0.1015 |
HEUR/QVM30.1.Malware.Gen |
| Sophos |
4.98 |
Generic PUA AE |
| updategrassmow.exe (26109da74ad8ddeef3ef6472f3d1cc3a) has been flagged by the following 8 scanners: |
| Anti-Virus software | Software version | Detection |
| avast! |
8.0.1489.320 |
Win32:BrowseFox-CK [PUP] |
| AVG |
14.0.0.4040 |
Generic.D31 |
| AVware |
1.5.0.21 |
Yontoo (fs) |
| ESET-NOD32 |
10619 |
a variant of MSIL/BrowseFox.H |
| IKARUS anti.virus |
T3.1.7.8.0 |
AdWare.MPlug |
| Malwarebytes |
1.75.0.1 |
PUP.Optional.Grassmow.A |
| TrendMicro-HouseCall |
9.700.0.1001 |
Suspicious_GEN.F47V1024 |
| VIPRE Antivirus |
34232 |
Yontoo (fs) |
View all 20 all detections
grassmow has been found to be bundled with 3rd party software. If you have not purposefully installed this, you should be safe uninstalling it.
Program details
Displayed publisher: grassmow
URL: grassmow.org/support
Installation folder: C:\Program Files\grassmow
Uninstaller: C:\Program Files\grassmow\grassmowuninstall.exe
Estimated size: 1.5 MB
Files installed by grassmow
| Program module: | grassmowbho.dll (Malware detected) |
| Name: | grassmow |
| Path: | C:\Program Files\grassmow\grassmowbho.dll |
| MD5: | 04cfaa2d14fd2c8cb16c7a8fbfab2c6f |
Additional files:
-
7za.exe (by Igor Pavlov) - 7-Zip (7-Zip Standalone Console)
-
grassmowUninstall.exe
-
(Malware detected) updategrassmow.exe
Behaviors exhibited
Internet Explorer BHO
- grassmowbho.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'grassmow' with the class of {dff180a7-25c2-41c7-82d2-1960ce0cc82a}.
Service
- updategrassmow.exe runs as a service named 'Update grassmow' (Update grassmow).
How do I remove grassmow?
You can uninstall grassmow from your computer by using the Add/Remove Program feature in the Window's Control Panel.
- 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/7/8/10: Click Uninstall a Program.
- Windows XP: Click Add or Remove Programs.
- When you find the program grassmow, click it, and then do one of the following:
- Windows Vista/7/8/10: Click Uninstall.
- Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
- Follow the prompts. A progress bar shows you how long it will take to remove grassmow.
- 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 grassmow you can restore them to their previous default settings.
Microsoft Internet Explorer
- Open Internet Explorer and click the Tools button, and then click Internet options.
- Click the Advanced tab, and then click Reset. Select the Delete personal settings check box if you would also like to remove search providers, Accelerators and home pages. When Internet Explorer finishes applying default settings, click Close, and then click OK.
- The changes will take effect the next time you open IE.
Mozilla Firefox
- At the top of the Firefox window, click the Firefox button, go over to the Help sub-menu and select Troubleshooting Information.
- To continue, click Reset Firefox in the confirmation window that opens. It will close and be reset.
- When it's done, a window will list the information that was imported. Click Finish and Firefox will open.
Google Chrome
- Open Chrome and click the Chrome menu on the browser toolbar.
- Select Settings. In the "Search" section, click Manage search engine. Check if (Default) is displayed next to your preferred search engine. If not, mouse over it and click Make default. Mouse over any other suspicious search engine entries that are not familiar and click X to remove them.
- When the "Show Home button" checkbox is selected, a web address appears below it. If you want the Homepage button to open up a different webpage, click Change to enter a link.
- Restart Google Chrome.
OS VERSIONS
Win 10 44%
Win Vista 11%
|
|
HOW IT RUNS
Windows Service? Yes
(Installs a service)
|
|
USER ACTIONS
 |
Uninstall it 80%
Keep it 20%
|
|
Windows
Which Windows OS versions does it run on?
| Windows 10 |
44.44% |
|
| Windows 7 |
33.33% |
|
| Windows Vista |
22.22% |
|
Which OS releases does it run on? |
| Windows 7 Home Premium |
33.33% |
|
| Windows 8.1 |
33.33% |
|
| Windows Vista Home Premiu... |
22.22% |
|
| Windows 8.1 Connected |
11.11% |
|
Geography
50.00% of installs come from the United States
Which countries install it?
| United States |
50.00% |
| United Kingdom |
21.43% |
| Canada |
14.29% |
| France |
14.29% |
PC manufacturers
What PC manufacturers (OEMs) have it installed?
| Toshiba |
33.33% |
|
| Acer |
22.22% |
|
| ASUS |
11.11% |
|
| Sony |
11.11% |
|
| Hewlett-Packard |
11.11% |
|
| Packard Bell |
11.11% |
|
Common models |
| TOSHIBA Satellite C850 |
12.50% |
|
| TOSHIBA SATELLITE C50-A-1... |
12.50% |
|
| Sony VGN-AW41JF_H |
12.50% |
|
| PACKARD BELL BV IMEDIA J3... |
12.50% |
|
| HP Pavilion dv9700 Notebo... |
12.50% |
|
| TOSHIBA SATELLITE C50-B |
12.50% |
|
About Yontoo Technology
Yontoo, a subsidiary/alias of ad-hijacker Sambreel, is a publisher of ad-supported web browser extensions designed to inject and display advertisements within the browser.
Publisher URL: www.yontoo.com