Should I block it?

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


PE structurePE file structure

Show functions
Import table
RegCreateKeyExA, RegDeleteValueA, RegSetValueExA, RegCloseKey, RegDeleteKeyA
GetObjectA, GetDIBits
InterlockedDecrement, HeapAlloc, GetProcessHeap, InterlockedIncrement, lstrcpyA, CreateFileA, GetLastError, CloseHandle, GetModuleFileNameA, lstrlenA, WriteFile, HeapFree, ReadFile, GetCommandLineA, GetVersion, GetProcAddress, GetModuleHandleA, GetEnvironmentVariableA, GetVersionExA, HeapDestroy, HeapCreate, VirtualFree, VirtualAlloc, HeapReAlloc, InitializeCriticalSection, DeleteCriticalSection, EnterCriticalSection, LeaveCriticalSection, ExitProcess, RtlUnwind, TerminateProcess, GetCurrentProcess, GetCurrentThreadId, TlsSetValue, TlsAlloc, TlsFree, SetLastError, TlsGetValue, SetHandleCount, GetStdHandle, GetFileType, GetStartupInfoA, FreeEnvironmentStringsA, FreeEnvironmentStringsW, WideCharToMultiByte, GetEnvironmentStrings, GetEnvironmentStringsW, MultiByteToWideChar, GetCPInfo, GetACP, GetOEMCP, LoadLibraryA, GetStringTypeA, GetStringTypeW, LCMapStringA, LCMapStringW, SetStdHandle, SetFilePointer, FlushFileBuffers
ReleaseDC, GetDC
Export table


Smiley Central by Mindspark Interactive Network (Signed)

Remove f3cjpeg.dll
Version:   1, 0, 1, 0
MD5:   7797b755e762dc08c9a04eaec756c17c
SHA1:   499521c9f525dea3eaa9116959beac5aa783eebd
SHA256:   431a49183fda2363b3e6a806d76e77f87b90f597562737458222a5cae0cff63b
Warning 9 antivirus scanners has detected malware.


f3cjpeg.dll is malware that is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by Mindspark Interactive Network which was issued by the VeriSign certificate authority (CA). This particular version is usually found on Microsoft Windows XP (5.1.2600.196608).


File name:f3cjpeg.dll
Product name:Smiley Central
Description:JPEG Conversion DLL
Typical file path:C:\Program Files\mywebsearch\bar\1.bin\f3cjpeg.dll
File version:1, 0, 1, 0
Product version:2, 0, 5, 0
Size:141.42 KB (144,816 bytes)
Issued to:Mindspark Interactive Network
Authority (CA):VeriSign
Effective date:Monday, May 31, 2010
Expiration date:Monday, May 7, 2012
Digital DNA
PE subsystem:Windows GUI
File packed:No
More details

MalwareMalware detections

Based on 40+ industry antivirus scanners, 9 of them detected the following malware.
Antivirus engineEngine versionDetection
AhnLab V3 Internet Security 2013.09.07 Win-PUP/Toolbar.FunWeb.144816
AVG 2014.0.3629 AdInstaller.FunWeb
Clam AntiVirus Adware.FunWebProducts-5
Comodo Internet Security 16894 Application.Win32.WebToolbar.MyWebSearch
ESET NOD32 7.8772 Win32/Toolbar.MyWebSearch
Norman 7.01.04 Suspicious_Gen2.IUWNO
nProtect 2013-09-06.03 Trojan/W32.Agent.144816.B
Rising Antivirus Trojan.Win32.Generic.1275703B
VIPRE Antivirus 21240 MyWebSearch.J (v) (not malicious)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 100.00%

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
GIGABYTE 100.00%
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