Should I remove PacFunction?
What percent of users and experts removed it?
87% remove it13% keep it
What do people think about it?
(click star to rate)
How common is it?
Global Rank #20,717
United States Rank #26,243
Reach 0.0102%
Lifespan of installation (until removal)
< 4.93 days
145.49 days >
Average installed length: 76.44 days
Versions
| Version | Distribution |
| 2014.04.09.195746 |
1.00% |
|
| 2014.04.09.032217 |
1.49% |
|
| 2014.04.08.223327 |
1.00% |
|
| 2014.04.07.213818 |
1.99% |
|
| 2014.04.07.201814 |
1.00% |
|
| 2014.04.07.201809 |
0.50% |
|
| 2014.04.04.232421 |
6.47% |
|
| 2014.04.04.000738 |
1.49% |
|
| 2014.04.03.210041 |
1.99% |
|
| 2014.04.03.210019 |
1.00% |
|
| 2014.04.02.174832 |
1.49% |
|
| 2014.04.02.174753 |
1.49% |
|
| 2014.04.01.223151 |
0.50% |
|
| 2014.04.01.223110 |
1.00% |
|
| 2014.03.28.231733 |
1.00% |
|
| 2014.03.28.231718 |
12.94% |
|
| 2014.03.28.000038 |
2.99% |
|
| 2014.03.26.234355 |
5.47% |
|
| 2014.03.26.011929 |
1.00% |
|
| 2014.03.26.011853 |
2.49% |
|
| 2014.03.24.185709 |
1.00% |
|
| 2014.03.24.185659 |
2.99% |
|
| 2014.03.21.000453 |
4.48% |
|
| 2014.03.21.000448 |
10.45% |
|
| 2014.03.20.011346 |
2.49% |
|
| 2014.03.18.232430 |
1.49% |
|
| 2014.03.17.214508 |
1.99% |
|
| 2014.03.15.013120 |
4.98% |
|
| 2014.03.14.182041 |
0.50% |
|
| 2014.03.13.170412 |
1.49% |
|
| 2014.03.11.234342 |
6.47% |
|
| 2014.03.11.162604 |
3.48% |
|
| 2014.03.10.233522 |
1.49% |
|
| 2014.03.05.221816 |
6.47% |
|
| 2014.02.28.212019 |
1.99% |
|
Other programs by Yontoo Technology
Rankings
- #20,712 Shutter by Denis Kozlov
- #20,713 Garena 2010
- #20,714 WIDCOMM Bluetooth Software 6.0.1.6400 by Broadcom
- #20,715 Octava SD4 by Obtiv
- #20,716 DailyBibleGuide Internet Explorer Toolbar by Mindspark Interactive Network
- #20,717 PacFunction by Yontoo Technology
- #20,718 AnVir Task Manager Pro
- #20,719 Jenkat Games Arcade
- #20,720 Adobe Reader 9.5.2 - Deutsch
- #20,721 OptimizerPro Updater by BetterSoft
- #20,722 PowerArchiver 2011 by ConeXware
PacFunction
What is PacFunction?
TiltBorwser is a Yontoo/Sambreel advertising injection adware browser extension.
- Random web page text is turned into hyperlinks.
- Browser popups appear which recommend fake updates or other software.
- Ads with red click here button will pop up when those links are hovered on.
- Other unwanted adware programs might get installed without the user's knowledge.
- Web pages become extremely slow to download due to the multiple ads.
The software is distributed via download managers including ones from Simply Tech Ltd, Install Lab ltd. (clickandownload.com) and CoolMirage Ltd. (torntv-tvv.org).
Overview
The most used version is 2014.03.28.231718, with over 98% of all installations currently using this version. 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 main program executable is PacFunction.FirstRun.exe. Typically most users end up uninstalling this just after a few days. The software installer includes 11 files and is usually about 1.09 MB (1,145,878 bytes).
- Possible malware installed by this program
- Loads into the web browser
- Installs a Windows Service
- Typically distributed through a pay-per-install bundle
- Generally known to have a low reputation
- The experts agree, you should remove it!
Warning, multiple anti-virus scanners have detected possible malware in PacFunction.
| PacFunctionBHO.dll (05bdaaa29e6b256cb966b90306ddc033) has been flagged by the following 32 scanners: |
| Anti-Virus software | Version | Detection |
| Lavasoft Ad-Aware |
1018 |
Adware.Agent.NYU |
| Agnitum Outpost |
7.1.1 |
PUA.Agent |
| Avira AntiVir |
7.11.144.114 |
APPL/BrowseFox.Gen2 |
| Antiy-AVL |
0.1.0.1 |
GrayWare[AdWare:not-a-virus]/Win32.Agent |
| avast! |
2014.9-140422 |
Win32:PUP-gen [PUP] |
| AVG |
2015.0.3496 |
MalSign.Pafun |
| Bitdefender |
1.0.20.560 |
Adware.Agent.NYU |
| CAT-QuickHeal |
4.14.12.00 |
AdWare.Agent.r5 (Not a Virus) |
| Comodo Security |
18135 |
Application.Win32.Altbrowse.AK |
| Dr.Web |
9.0.0.0112 |
Trojan.BPlug.28 |
| Emsisoft Anti-Malware |
8.14.04.22.04 |
Adware.Agent.NYU |
| ESET-NOD32 |
8.9701 |
a variant of Win32/BrowseFox.F |
| Fortinet FortiGate |
4/22/2014 |
Riskware/BrowseFox |
| F-Secure |
11.2014-22-04_3 |
Adware.Agent.NYU |
| G Data |
14.4.24 |
Adware.Agent.NYU |
| IKARUS anti.virus |
t3scan.1.6.1.0 |
AdWare.Agent |
| Jiangmin |
KV140422 |
Adware/Agent.jaw |
| K7 AntiVirus |
13.176.11806 |
Unwanted-Program |
| K7GW |
13.176.11806 |
Unwanted-Program ( 00454f261 ) |
| Kaspersky |
14.0.0.3976 |
not-a-virus:AdWare.Win32.Agent |
| Kingsoft AntiVirus |
331020.49267 |
Win32.Troj.Agent.ah.(kcloud) |
| Malwarebytes |
v2014.04.22.04 |
PUP.Optional.PacFunction.A |
| McAfee |
5600.7152 |
Artemis!05BDAAA29E6B |
| McAfee-GW-Edition |
7.7152 |
Artemis!05BDAAA29E6B |
| MicroWorld-eScan |
15.0.0.336 |
Adware.Agent.NYU |
| NANO AntiVirus |
0.28.0.59288 |
Riskware.Win32.Agent.cqvnby |
| nProtect |
14.04.20.01 |
Adware.Agent.NYU |
| Sophos |
4.98 |
Generic PUA MH |
| SUPERAntiSpyware |
10650 |
Adware.BrowseFox/Variant |
| TrendMicro-HouseCall |
7.2.112 |
TROJ_GEN.F47V0320 |
| Vba32 AntiVirus |
3.12.26.0 |
AdWare.Agent |
| VIPRE Antivirus |
28420 |
Yontoo (fs) |
| updatePacFunction.exe (d3362227a4bfba3792cfbb22ed699494) has been flagged by the following 26 scanners: |
| Anti-Virus software | Software version | Detection |
| Agnitum Outpost |
5.5.1.3 |
Riskware.Agent! |
| AhnLab-V3 |
2014.11.02.00 |
PUP/Win32.SwiftBrowse |
| Antiy-AVL |
1.0.0.1 |
GrayWare[AdWare:not-a-virus,HEUR]/MSIL.Kranet |
| AVG |
15.0.0.4189 |
Pafun.E1F |
| Avira |
7.11.182.186 |
ADWARE/BrowseFox.Gen7 |
| AVware |
1.5.0.21 |
Yontoo (fs) |
| Baidu-International |
3.5.1.41473 |
Adware.Win32.BrowseFox.bH |
| CAT-QuickHeal |
14.00 |
AdWare.MSIL.r3 (Not a Virus) |
| Comodo Security |
19968 |
ApplicUnwnt |
| Dr.Web |
7.0.10.8210 |
Trojan.BPlug.250 |
| ESET-NOD32 |
10656 |
a variant of Win32/BrowseFox.H |
| Fortinet FortiGate |
5.0.999.0 |
Adware/Kranet |
| K7 AntiVirus |
9.185.13866 |
Trojan ( 0049f7ad1 ) |
| K7GW |
9.185.13866 |
Trojan ( 0049f7ad1 ) |
| Kaspersky |
12.0.0.1225 |
not-a-virus:HEUR:AdWare.MSIL.Kranet.heur |
| Kingsoft AntiVirus |
2013.4.9.267 |
Win32.Troj.Generic.a.(kcloud) |
| Malwarebytes |
1.75.0.1 |
PUP.Optional.PacFunction.A |
| McAfee |
6.0.5.614 |
BrowseFox.c |
| McAfee-GW-Edition |
v2014.2 |
BehavesLike.Win32.Dropper.fh |
| nProtect |
2014-10-31.01 |
Trojan-Clicker/W32.Agent.323360.B |
| Qihoo-360 |
1.0.0.1015 |
Win32/Virus.Adware.e4c |
| Sophos |
4.98.0 |
Generic PUA LP |
| Symantec |
20141.1.0.330 |
Trojan.Gen.2 |
| Trend Micro |
9.740.0.1012 |
TROJ_GEN.R0C1C0EJH14 |
| TrendMicro-HouseCall |
9.700.0.1001 |
TROJ_GEN.R0C1C0EJH14 |
| VIPRE Antivirus |
34448 |
Yontoo (fs) |
View all 58 all detections
PacFunction 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: PacFunction
URL: pacfunction.info/support
Installation folder: C:\Program Files\PacFunction
Uninstaller: C:\Program Files\PacFunction\PacFunctionuninstall.exe
Estimated size: 1.09 MB
Files installed by PacFunction
| Program executable: | PacFunction.FirstRun.exe |
| Name: | FirstRun |
| Path: | C:\Program Files\PacFunction\PacFunction.FirstRun.exe |
| MD5: | db6b9033d7b966db2e5a712d9cdc003f |
Additional files:
-
(Malware detected) PacFunctionBHO.dll - PacFunction
-
7za.exe (by Igor Pavlov) - 7-Zip (7-Zip Standalone Console)
-
PacFunctionUninstall.exe
-
(Malware detected) updatePacFunction.exe
Behaviors exhibited
Internet Explorer BHO
- PacFunctionBHO.dll is installed in Internet Explorer as a BHO (Browser Helper Object) under the name 'PacFunction 1.0.0.5' with the class of {9aa72d95-59d7-4421-a02c-f93a1187a165}.
Service
- updatePacFunction.exe runs as a service named 'Update PacFunction' (Update PacFunction).
How do I remove PacFunction?
You can uninstall PacFunction 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 PacFunction, 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 PacFunction.
- 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 PacFunction 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 7 (SP1) 45%
Win 8 0%
|
|
HOW IT RUNS
Windows Service? Yes
(Installs a service)
|
|
USER ACTIONS
 |
Uninstall it 87%
Keep it 13%
|
|
Windows
Which Windows OS versions does it run on?
| Windows 7 |
54.73% |
|
| Windows 10 |
34.83% |
|
| Windows XP |
7.96% |
|
| Windows Vista |
2.49% |
|
Which OS releases does it run on? |
| Windows 7 Home Premium |
25.87% |
|
| Windows 7 Ultimate |
17.91% |
|
| Windows 8.1 |
14.43% |
|
| Windows 7 Professional |
8.46% |
|
| Microsoft Windows XP |
7.96% |
|
| Windows 8 |
7.46% |
|
Geography
29.80% of installs come from the United States
Which countries install it?
| United States |
29.80% |
| Italy |
10.61% |
| India |
8.08% |
| Germany |
4.04% |
| United Kingdom |
3.54% |
| United Arab Emirates |
3.03% |
| Spain |
2.02% |
| Romania |
2.02% |
| Belgium |
1.52% |
| Israel |
1.52% |
| MA |
1.52% |
| Mexico |
1.52% |
| Sweden |
1.52% |
| Brazil |
1.52% |
PC manufacturers
What PC manufacturers (OEMs) have it installed?
| Hewlett-Packard |
25.00% |
|
| Acer |
20.14% |
|
| Dell |
16.67% |
|
| ASUS |
12.50% |
|
| Toshiba |
7.64% |
|
| Samsung |
4.86% |
|
| GIGABYTE |
3.47% |
|
| Intel |
3.47% |
|
| Lenovo |
2.08% |
|
| Sony |
2.08% |
|
| MSI |
1.39% |
|
| American Megatrends |
0.69% |
|
Common models |
| HP 630 Notebook PC |
3.70% |
|
| HP Pavilion dv6 Notebook ... |
2.78% |
|
| Dell OptiPlex 755 |
2.78% |
|
| ASUSTeK X550CC |
2.78% |
|
| HP Pavilion Sleekbook 15 |
1.85% |
|
| HP Pavilion g6 Notebook P... |
1.85% |
|
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