Should I block it?

98%
Yes, 98% block recommendation.
Possible reasons:
Multiple malware detections
Performance resource utilization

VersionsAdditional versions

1, 0, 0, 5 91.89%
1, 0, 0, 5 5.41%
1, 0, 0, 4 2.70%

Relationships


PE structurePE file structure

Show functions
Import table
advapi32.dll
OpenThreadToken, RevertToSelf, RegCreateKeyExA, RegSetValueExA, RegCloseKey, OpenServiceA, ControlService, DeleteService, OpenSCManagerA, CreateServiceA, StartServiceA, QueryServiceStatus, CloseServiceHandle, RegisterEventSourceA, ReportEventA, DeregisterEventSource, SetServiceStatus, RegisterServiceCtrlHandlerA, StartServiceCtrlDispatcherA, ImpersonateNamedPipeClient, InitializeSecurityDescriptor, DuplicateTokenEx
kernel32.dll
LocalAlloc, Sleep, GetModuleFileNameA, FormatMessageA, CreateDirectoryA, CopyFileA, DeleteFileA, MoveFileA, _lclose, _lwrite, _llseek, _lcreat, _lopen, GetLocalTime, GetCurrentThread, GetCurrentThreadId, WaitForMultipleObjects, lstrcpyA, DisconnectNamedPipe, WriteFile, GetOverlappedResult, ReadFile, ConnectNamedPipe, SetLastError, ResetEvent, CreateNamedPipeA, CreateEventA, SetEvent, FreeResource, ExpandEnvironmentStringsA, LockResource, LoadResource, FindResourceA, GetVersionExA, lstrcmpiA, LocalFree, CreateProcessA, GetLastError, WaitForSingleObject, CloseHandle, EnterCriticalSection, LeaveCriticalSection, CreateThread, lstrlenA, HeapFree, HeapReAlloc, GetProcessHeap, HeapAlloc, DebugBreak, DeleteCriticalSection, InitializeCriticalSection, GetModuleHandleA, GetCommandLineA, ExitProcess, GetStartupInfoA, GetProcAddress, lstrcpynA
shlwapi.dll
SHDeleteValueA, SHDeleteKeyA
user32.dll
CharNextA, wsprintfA

mwssvc.exe

My Web Search Bar by Mindspark Interactive Network (Signed)

Remove mwssvc.exe
Version:   1, 0, 0, 4
MD5:   319f6520eeace462c0fbfeb6ab400332
SHA1:   f562a0eff8f7d5540efae723a3a33cf3271b1eab
SHA256:   12b9e0a23af5f0cfb8d1bd0e33b305972c0d34e936d29acefbb82ec3f005d990
Warning 7 antivirus scanners has detected malware.

What is mwssvc.exe?

My Web Search Bar is part of My Web Search by the Mindspark Interactive Network, a browser toolbar, part of the Fun Web Products suite of potentially unwanted applications such as Smiley Central, Cursor Mania, Popular Screensavers and others. The toolbar provides access to search engine results and a 404 Error Redirector among other things to your browser.

About mwssvc.exe (from Mindspark Interactive Network)

MyWebSearch brings together the most comprehensive collection of search tools available to provide you with the information you need when you need it.

Overview

MWSSVC.EXE is malware that runs as a service under the name My Web Search Service (MyWebSearchService) within the local user context. The file is digitally signed by Mindspark Interactive Network.

DetailsDetails

File name:MWSSVC.EXE
Publisher:MyWebSearch.com
Product name:My Web Search Bar
Typical file path:C:\Program Files\MyWebSearch\bar\1.bin\MWSSVC.EXE
File version:1, 0, 0, 4
Product version:2, 3, 0, 0
Size:28.09 KB (28,762 bytes)
Certificate
Issued to:Mindspark Interactive Network
Digital DNA
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'MyWebSearchService' (My Web Search Service)
  • MyWebSearchService

MalwareMalware detections

Based on 40+ industry antivirus scanners, 7 of them detected the following malware.
Antivirus engineEngine versionDetection
AhnLab V3 Internet Security 2012.08.14 PUP/Win32.MyWebSearch
CAT Quick Heal 4.13.12.00 WebToolbar.MyWebSearch.em.n4 (Not a Virus)
Clam AntiVirus 0.97.3.0 Suspect.Adware.MWS
ESET NOD32 7.7381 Win32/Toolbar.MyWebSearch
F-Secure 9.0.16440.0 Adware:W32/MyWebSearch
VIPRE Antivirus 12612 MyWebSearch Toolbar (not malicious)
ViRobot 2011.4.7.4223 Adware.MyWebSearch.28762

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate N 35.29%
Windows 7 Ultimate 26.47%
Microsoft Windows XP 17.65%
Windows 7 Home Premium 8.82%
Windows Vista Home Premium 2.94%
Windows 8 Pro with Media Center 2.94%
Windows 7 Home Basic 2.94%
Windows 8 Pro 2.94%

Distribution by countryDistribution by country

United States installs about 54.17% of My Web Search Bar.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 50.00%
Hewlett-Packard 25.00%
GIGABYTE 12.50%
Acer 12.50%
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