84,488,480 programs installed

Should I remove Vosteran?

What percent of users and experts removed it?
87% remove it13% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #7,481
United States Rank #5,183
Reach 0.0561%
Lifespan of installation (until removal)
< 7.14 days
210.67 days >
Average installed length: 110.69 days


31.0.1650.23 100.00%



Upon installation, it defines an auto-start registry entry which allows the program run on each boot for the user which installed it. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The main program executable is vosteran.exe. Typically most users end up uninstalling this just after a few days. The software installer includes 58 files and is usually about 240.02 MB (251,676,797 bytes). In comparison to the total number of users, most PCs are running the OS Windows 10 as well as Windows 7 (SP1). While about 67% of users of Vosteran come from the United States, it is also popular in Canada and United Kingdom.
  • Possible malware installed by this program
  • Starts automatically
  • Installed as part of a co-bundle
  • The experts agree, you should remove it!
Warning, multiple anti-virus scanners have detected possible malware in Vosteran.
vosteran.exe (944a91af08bbed92bd0abc81203042a9) has been flagged by the following 23 scanners:
Anti-Virus softwareVersionDetection
Lavasoft Ad-Aware 663 Application.Browser.FakeBrowser.A
Agnitum Outpost 7.1.1 Riskware.ADInstaller
Antiy-AVL RiskWare[RiskTool:not-a-virus]/Win32.ADInstaller
avast! 2014.9-150412 Win32:GenMaliciousA-IGY [PUP]
AVG 2016.0.3141 Generic_r
AVware Trojan.Win32.Generic!BT
Baidu-International PUA.Win32.Agent.81
Bitdefender Application.Browser.FakeBrowser.A
CAT-QuickHeal RiskTool.ADInstaller.r6 (Not a Virus)
Cyren W32/Application.PCKA-1108
F-Secure 11.2015-12-04_1 Application.Browser.FakeBrowser
G Data 15.4.25 Application.Browser.FakeBrowser
K7 AntiVirus 13.202.15566 Riskware
K7GW 13.202.15566 Riskware ( 0040eff71 )
Kaspersky not-a-virus:RiskTool.Win32.ADInstaller
Malwarebytes v2015.04.12.11 PUP.Optional.Vosteran
MicroWorld-eScan Application.Browser.FakeBrowser.A
NANO AntiVirus Riskware.Win32.ADInstaller.dnmoql
Panda Antivirus Trj/CI.A
Trend Micro 10.465.12 ADW_BROWSER
TrendMicro-HouseCall 7.2.102 ADW_BROWSER
VIPRE Antivirus 39258 Trojan.Win32.Generic!BT
ViRobot 2014.3.20.0 Trojan.Win32.A.PSW-QQPass.1014272[h]
       View all 23 all detections
Vosteran has been found to be bundled with 3rd party software. If you have not purposefully installed this, you should be safe uninstalling it.

Program detailsProgram details

Installation folder: C:\users\user\appdata\Local\Vosteran\Application
Uninstaller: "C:\users\user\appdata\Local\Vosteran\Application\31.0.1650.23\Installer\setup.exe" --uninstall
Estimated size: 240.02 MB

Program filesFiles installed by Vosteran

Program executable:vosteran.exe (Malware detected)
Additional files:
  • chrome.dll
  • chrome_child.dll
  • npchrome_frame.dll - Google Chrome Frame (Chrome Frame renders the Web of the future in the browsers of the past. It's like strapping a rocket engine to a minivan.)
  • am.dll
  • ar.dll
  • bg.dll
  • bn.dll
  • ca.dll
  • chrome_frame_helper.dll
  • chrome_frame_helper.exe
  • chrome_launcher.exe
  • cs.dll
  • d3dcompiler_46.dll (by Microsoft) - Microsoft® DirectX for Windows® (Direct3D HLSL Compiler)
  • da.dll
  • de.dll
  • delegate_execute.exe
  • el.dll
  • en-GB.dll
  • en-US.dll
  • es.dll
  • es-419.dll
  • et.dll
  • fa.dll
  • ffmpegsumo.dll
  • fi.dll
  • fil.dll
  • fr.dll
  • gu.dll
  • he.dll
  • hi.dll
  • hr.dll
  • icudt.dll (by The ICU Project) - International Components for Unicode (ICU Data DLL)
  • id.dll
  • it.dll
  • ja.dll
  • kn.dll
  • libegl.dll - ANGLE libEGL Dynamic Link Library
  • libglesv2.dll - ANGLE libGLESv2 Dynamic Link Library
  • metro_driver.dll
  • nacl64.exe
  • ppgooglenaclpluginchrome.dll
  • hu.dll
  • ko.dll
  • lt.dll
  • lv.dll
  • ml.dll
  • mr.dll
  • ms.dll
  • nb.dll
  • nl.dll
  • pl.dll
  • pt-BR.dll
  • pt-PT.dll
  • ro.dll
  • ru.dll
  • sk.dll
  • wow_helper.exe

Program behaviorsBehaviors exhibited

Scheduled Task
  • vosteran.exe is scheduled as a task with the class '{38817B1B-B71A-462C-A20B-C4CB2785E8A2}' (runs on registration).
Startup File (User Run)
  • vosteran.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'GoogleChromeAutoLaunch_DF3F278EDCD0AC727A0E9127F80792F6' and executes as "C:\users\user\appdata\Local\Vosteran\Application\vosteran.exe" --no-startup-window --auto-launch-at-startup --profile-directory="Default".
Startup File (User Run Once)
  • vosteran.exe is loaded once in the current user (HKCU) registry as a startup file name 'Application Restart #1' which loads as C:\users\user\appdata\Local\Vosteran\Application\vosteran.exe --auto-launch-at-startup --profile-directory=Default --flag-switches-begin --flag-switches-end --restore-last-session.

How do I remove Vosteran?

You can uninstall Vosteran 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/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Vosteran, 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).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Vosteran.
  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.

Win 10 49%
Win Server 2003 0%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 87%
Keep it 13%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 10 49.10%
Windows 7 42.59%
Windows Vista 5.52%
Windows XP 2.71%
Windows Server 2003 0.09%
Which OS releases does it run on?
Windows 8.1 30.91%
Windows 7 Home Premium 26.00%
Windows 7 Professional 7.82%
Windows 7 Ultimate 6.18%
Windows 8.1 Connected 4.91%
Windows 8 4.55%

Distribution by countryGeography

67.48% of installs come from the United States
Which countries install it?
  United States 67.48%
  Canada 5.22%
  United Kingdom 4.96%
  France 4.30%
  Germany 3.30%
  Brazil 2.97%
  Italy 1.98%
  India 1.78%
  Netherlands 1.45%
  Sweden 0.93%
  DK 0.79%
  Norway 0.79%
  Spain 0.66%
  Austria 0.59%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 34.33%
Dell 22.73%
Acer 16.75%
Toshiba 9.45%
ASUS 8.13%
Lenovo 4.78%
Samsung 1.67%
Medion 0.60%
Intel 0.48%
Common models
HP 15 Notebook PC 10.91%
HP Pavilion g6 Notebook P... 4.06%
HP Pavilion 15 Notebook P... 3.81%
HP Pavilion 17 Notebook P... 3.30%
HP Pavilion g7 Notebook P... 2.79%
ASUSTeK X551MA 2.54%


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