Should I block it?

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

VersionsAdditional versions

1.0.6.50 16.67%
1.0.4.34 83.33%

Relationships

PE structurePE file structure
Show functions
Import table
advapi32.dll
CreateProcessAsUserW, GetLengthSid, SetTokenInformation, AllocateAndInitializeSid, DuplicateTokenEx, CryptReleaseContext, CryptDestroyHash, CryptGetHashParam, CryptHashData, CryptCreateHash, CryptAcquireContextW, IsValidSid, GetAce, GetAclInformation, GetSecurityDescriptorSacl, GetNamedSecurityInfoW, RegQueryValueExW, RegSetValueExW, RegDeleteValueW, RegOpenKeyExW, RegCreateKeyExW, RegEnumKeyExW, RegEnumValueW, RegCloseKey, GetSidSubAuthorityCount, GetSidSubAuthority, GetTokenInformation, OpenProcessToken, FreeSid
crypt32.dll
CertCloseStore, CryptMsgClose, CertFindCertificateInStore, CryptMsgGetParam, CryptQueryObject, CertFreeCertificateContext
kernel32.dll
DllMain
ole32.dll
CLSIDFromString, CoGetCurrentLogicalThreadId, CoUnmarshalInterface, CreateStreamOnHGlobal, CoMarshalInterface, CoReleaseMarshalData, CoInitialize, CLSIDFromProgID, CoCreateInstance, CoTaskMemFree, CoUninitialize, CoTaskMemAlloc
rpcrt4.dll
NdrDllGetClassObject, NdrCStdStubBuffer2_Release, NdrDllCanUnloadNow, NdrCStdStubBuffer_Release, NdrStubCall2, NdrStubForwardingFunction, CStdStubBuffer_Connect, CStdStubBuffer_Invoke, CStdStubBuffer_IsIIDSupported, CStdStubBuffer_Disconnect, CStdStubBuffer_DebugServerRelease, IUnknown_AddRef_Proxy, CStdStubBuffer_QueryInterface, CStdStubBuffer_DebugServerQueryInterface, IUnknown_Release_Proxy, CStdStubBuffer_CountRefs, NdrOleAllocate, NdrOleFree, IUnknown_QueryInterface_Proxy, CStdStubBuffer_AddRef, NdrAsyncClientCall, RpcAsyncCompleteCall, RpcAsyncInitializeHandle, RpcServerRegisterIfEx, RpcServerUnregisterIf, RpcAsyncAbortCall, RpcServerUseProtseqEpW, RpcStringFreeW, RpcBindingFree, RpcBindingFromStringBindingW, RpcStringBindingComposeW, NdrAsyncServerCall
setupapi.dll
SetupDecompressOrCopyFileW, SetupGetFileCompressionInfoW
shlwapi.dll
StrChrW, PathFindFileNameW, StrRChrW, SHDeleteKeyW, PathAppendW, StrRetToBufW, PathRenameExtensionW, PathRemoveFileSpecW
user32.dll
MessageBoxW, GetWindowLongW, SetWindowLongW, CallWindowProcW, wsprintfW, DefWindowProcW, GetWindow, GetParent, IsWindow, GetWindowThreadProcessId, GetWindowRect, LoadCursorW, DestroyWindow, DispatchMessageW, TranslateMessage, MsgWaitForMultipleObjectsEx, CallMsgFilterW, PostQuitMessage, PeekMessageW, GetClassInfoExW, RegisterClassExW, PostMessageW, LoadImageW, IsChild, GetActiveWindow, FindWindowExW, UnregisterClassA, KillTimer, SetTimer, CreateWindowExW, IsRectEmpty, MapWindowPoints, SetForegroundWindow, SetParent, SendMessageW, SetWindowPos
userenv.dll
UnloadUserProfile
version.dll
GetFileVersionInfoW, VerQueryValueW, GetFileVersionInfoSizeW
wininet.dll
InternetCrackUrlW
wintrust.dll
WinVerifyTrust
Export table
DllCanUnloadNow
DllGetClassObject

CrExt.dll

By Mindspark Interactive Network (Signed)

Remove CrExt.dll
Version:   1.0.6.50
MD5:   e83ba06c9fd18923c168a12e3f30e81d
SHA1:   6902d246f8fc2457c9ae369b094292de6eb454bc
SHA256:   dce18833e08121db1bb9c56cc9229405ee13cb9b1961956bccfe7679cf929d45
Warning 6 antivirus scanners has detected malware.

What is CrExt.dll?

MindSpark Toolbar Platform manages the myWebSearch Toolbar, a web-browser add-on that provides search functions to the browser menu as well as a toolbar. The toolbar automatically installed with iWon, allowing user to query myWebSearch search engine.

About CrExt.dll (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. MyWebSearch allows you to search the web directly”

DetailsDetails

File name:CREXT.DLL
Typical file path:C:\Program Files\DictionaryBoss\bar\1.bin\CREXT.DLL
File version:1.0.6.50
Size:1.18 MB (1,241,672 bytes)
Build date:4/16/2013 2:43 AM
Certificate
Issued to:Mindspark Interactive Network
Authority (CA):VeriSign
Effective date:Monday, April 9, 2012
Expiration date:Wednesday, May 6, 2015
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
CouponXplorer Internet Explorer Toolbar
 Mindspark Interactive Network
  61% remove
Installs an Ask.com toolbar in Internet Explorer as a Browser Helper Object. According to the EULA (see below) as well as the behavior of the software, this toolbar will install search functionality in IE by modifying the default search, address bar and redirect queries. In addition it will change the user's home page and new tabs page to home.tb.ask.com. The toolbar uses the Price Finder application from Pronto, LLC. From the Privac...
WeatherBlink Internet Explorer Toolbar
 Mindspark Interactive Network
  61% remove
WeatherBlink Internet Explorer Toolbar is a web browser extension that changes the browsers search and home pages as well as delivers. In order to provide search advertising revenue, the software is designed not only to modify the search provider but to protect it so that it remains the default browser search engine. It is typically installed via a bundled offer within a third-party software distribution. As for distribution, the toolb...
SafePCRepair Internet Explorer Toolbar
 Mindspark Interactive Network
  67% remove
SafePCRepair Internet Explorer Toolbar is a web browser extension that changes the browsers search and home pages as well as delivers. In order to provide search advertising revenue, the software is designed not only to modify the search provider but to protect it so that it remains the default browser search engine. It is typically installed via a bundled offer within a third-party software distribution. As for distribution, the toolb...
Allin1Convert Firefox Toolbar
 Mindspark Interactive Network
  68% remove
Functionality of the toolbar includes: - Changing the web browser's default home page to MyWebSearch.com. - Changing the browser's search provider, built-in search box to MyWebSearch.com. - Ability to modify the 'new tab' functionality to launch the modified search portal page. - Adds an alternative error page, DNS error and 'page not' found functionality. - Adds additional functionality that is designed to protect the search and h...
Allin1Convert Internet Explorer Toolbar
 Mindspark Interactive Network
  64% remove
Functionality of the toolbar includes: - Changing the web browser's default home page to MyWebSearch.com. - Changing the browser's search provider, built-in search box to MyWebSearch.com. - Ability to modify the 'new tab' functionality to launch the modified search portal page. - Adds an alternative error page, DNS error and 'page not' found functionality. - Adds additional functionality that is designed to protect the search and h...
FromDocToPDF Firefox Toolbar
 Mindspark Interactive Network
  61% remove
FromDocToPDF Firefox Toolbar is a web browser toolbar and extension that modifies the browsers search and home pages as well as delivers contextual based advertising. In order to provide search advertising revenue, the software is designed not only to modify the search provider but to protect it so that it remains the default browser search engine. It is typically installed via a co-bundled offer within a third-party software distribut...
FromDocToPDF Internet Explorer Toolbar
 Mindspark Interactive Network
  62% remove
FromDocToPDF Internet Explorer Toolbar is a web browser extension that changes the browsers search and home pages as well as delivers. In order to provide search advertising revenue, the software is designed not only to modify the search provider but to protect it so that it remains the default browser search engine. It is typically installed via a bundled offer within a third-party software distribution. As for distribution, the toolb...
MapsGalaxy Firefox Toolbar
 Mindspark Interactive Network
  74% remove
MapsGalaxy Firefox Toolbar installs is a web browser extension and allows provides users the means to search the Internet with MyWebSearch, a potentially unwanted program that changes and redircts all of your search results as well as DNS errors, and modifies your home page to mywebsearch.com or some other webpage. MyWebSearch automatically becomes your default search service which hijacks all your search requests as well as tracks your...
MapsGalaxy Internet Explorer Toolbar
 Mindspark Interactive Network
  75% remove
MapsGalaxy Internet Explorer Toolbar installs is a web browser extension and allows provides users the means to search the Internet with MyWebSearch, a potentially unwanted program that changes and redircts all of your search results as well as DNS errors, and modifies your home page to mywebsearch.com or some other webpage. MyWebSearch automatically becomes your default search service which hijacks all your search requests as well as t...
VideoDownloadConverter Internet Explorer Toolbar
 Mindspark Interactive Network
  79% remove
Installs a Mindspark toolbar in your Web browser that collects and stores information about your web browsing habits and sends this information to Mindspark so they can suggest services or provide ads via the toolbar.
Utility Chest Internet Explorer Toolbar
 Mindspark Interactive Network
  77% remove
Installs a Mindspark toolbar in your Web browser that collects and stores information about your web browsing habits and sends this information to Mindspark so they can suggest services or provide ads via the toolbar.
VideoDownloadConverter Firefox Toolbar
 Mindspark Interactive Network
  78% remove
Installs a Mindspark toolbar in your Web browser that collects and stores information about your web browsing habits and sends this information to Mindspark so they can suggest services or provide ads via the toolbar.
FilmFanatic Firefox Toolbar
 Mindspark Interactive Network
  70% remove
FilmFanatic Firefox Toolbar is a web browser extension that changes the browsers search and home pages as well as delivers. In order to provide search advertising revenue, the software is designed not only to modify the search provider but to protect it so that it remains the default browser search engine. It is typically installed via a bundled offer within a third-party software distribution. As for distribution, the toolbar is typic...
TelevisionFanatic Internet Explorer Toolbar
 Mindspark Interactive Network
  75% remove
TelevisionFanatic Internet Explorer Toolbar installs is a web browser extension and allows provides users the means to search the Internet with MyWebSearch, a potentially unwanted program that changes and redircts all of your search results as well as DNS errors, and modifies your home page to mywebsearch.com or some other webpage. MyWebSearch automatically becomes your default search service which hijacks all your search requests as we...
ReadingFanatic Internet Explorer Toolbar
 Mindspark Interactive Network
  63% remove
ReadingFanatic Internet Explorer Toolbar is a web browser extension that changes the browsers search and home pages as well as delivers. In order to provide search advertising revenue, the software is designed not only to modify the search provider but to protect it so that it remains the default browser search engine. It is typically installed via a bundled offer within a third-party software distribution. As for distribution, the too...
ReadingFanatic Firefox Toolbar
 Mindspark Interactive Network
  62% remove
ReadingFanatic Firefox Toolbar is a web browser extension that changes the browsers search and home pages as well as delivers. In order to provide search advertising revenue, the software is designed not only to modify the search provider but to protect it so that it remains the default browser search engine. It is typically installed via a bundled offer within a third-party software distribution. As for distribution, the toolbar is ty...
MyImageConverter Firefox Toolbar
 Mindspark Interactive Network
  63% remove
This toolbar/web browser extension is ad/search-supported that is typically installed as an optional offer, users generally have this bundled with 3rd party software. During setup, this toolbar will modify the home page and new tab pages to an affiliate search portal using a primary search engine in order to collect shared search revenue. It will also modify the default search provider as well.
PopularScreensavers Internet Explorer Toolbar
 Mindspark Interactive Network
  66% remove
Functionality of the toolbar includes: - Changing the web browser's default home page to MyWebSearch.com. - Changing the browser's search provider, built-in search box to MyWebSearch.com. - Ability to modify the 'new tab' functionality to launch the modified search portal page. - Adds an alternative error page, DNS error and 'page not' found functionality. - Adds additional functionality that is designed to protect the search and h...
RadioRage Firefox Toolbar
 Mindspark Interactive Network
  61% remove
RadioRage Firefox Toolbar installs is a web browser extension and allows provides users the means to search the Internet with MyWebSearch, a potentially unwanted program that changes and redircts all of your search results as well as DNS errors, and modifies your home page to mywebsearch.com or some other webpage. MyWebSearch automatically becomes your default search service which hijacks all your search requests as well as tracks your ...
RadioRage Internet Explorer Toolbar
 Mindspark Interactive Network
  62% remove
RadioRage Internet Explorer Toolbar is a web browser extension that changes the browsers search and home pages as well as delivers. In order to provide search advertising revenue, the software is designed not only to modify the search provider but to protect it so that it remains the default browser search engine. It is typically installed via a bundled offer within a third-party software distribution. As for distribution, the toolbar ...

MalwareMalware detections

Based on 40+ industry antivirus scanners, 6 of them detected the following malware.
Antivirus engineEngine versionDetection
avast! 8.0.1489.320 Win32:Mindspark-A [PUP]
AVG 13.0.0.3169 Zango
ESET NOD32 7.8827 a variant of Win32/Toolbar.MyWebSearch.W
Kingsoft 2013.4.9.267 Win32.Troj.Undef.(kcloud)
Rising Antivirus 24.80.01.04 Trojan.Win32.Generic.14AD25CB
VIPRE Antivirus 21688 MyWebSearch.J (v) (not malicious)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Ultimate N 50.00%
Windows 7 Home Premium 16.67%
Windows 7 Professional 16.67%
Windows 8 16.67%

Distribution by countryDistribution by country

United States installs about 83.33% of CREXT.DLL.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 66.67%
Hewlett-Packard 33.33%
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