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ThreatExpert's awareness of the file "zlib.dll":

Across all ThreatExpert reports, the file "zlib.dll" has sometimes been a threat.
File "zlib.dll" has the following statistics:
Total number of reports analysed611,932
Number of cases that involved the file "zlib.dll"323
Number of incidents when this file was found to be a threat99
Statistical volume of cases when "zlib.dll" was a threat31%
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Notes:
  • Please note that the name of the file should NOT be used to define if it is legitimate or not. Such determination can only be made by observing its dynamic behaviour.
  • In order to check a file, please submit it to ThreatExpert.
  • For a comprehensive pro-active protection against threats, please consider ThreatFire - our behavioral antivirus solution.
The file "zlib.dll" is known to be created under the following filenames:
%AppData%\cenwave\zlib1.dll
%AppData%\java\jre6\bin\zf32.dll
%CommonAppData%\flashgetbho\zlib.dll
%ProgramFiles%\1964\099\zlib.dll
%ProgramFiles%\1stworks\hotcommcl\bin\zlib.dll
%ProgramFiles%\adobe\zf32.dll
%ProgramFiles%\adwarealert\zlib.dll
%ProgramFiles%\antispyware 2008\zlib.dll
%ProgramFiles%\antivirus 2008 pro\zlib.dll
%ProgramFiles%\antivirus 2008\zlib.dll
%ProgramFiles%\backup mill\zlib1.dll
%ProgramFiles%\betsson poker\zlib1.dll
%ProgramFiles%\bwin\zlib1.dll
%ProgramFiles%\cafenews\zlib.dll
%ProgramFiles%\colasoft packet builder 1.0\zlib.dll
%ProgramFiles%\colasoft packet player 1.1\zlib.dll
%ProgramFiles%\common files\willow creek software\zlib.dll
%ProgramFiles%\conceptworld\qnplus\zlib.dll
%ProgramFiles%\crazaa\gift\zlib.dll
%ProgramFiles%\dap\zlib.dll
%ProgramFiles%\dialflirt\zlib.dll
%ProgramFiles%\download direct\zlib.dll
%ProgramFiles%\downshift\zlib1.dll
%ProgramFiles%\dscaler\zlib.dll
%ProgramFiles%\dude\zlib.dll
%ProgramFiles%\errorkiller\zlib.dll
%ProgramFiles%\etomi\plugins\zlib.dll
%ProgramFiles%\flashget network\flashget mini\zlib.dll
%ProgramFiles%\flashget network\flashget\zlib.dll
%ProgramFiles%\free ftp manager\zlib.dll
%ProgramFiles%\get youtube video\zlibwapi.dll
%ProgramFiles%\getright\zlib1.dll
%ProgramFiles%\googlefilter\core\libraries\zlibvb.dll
%ProgramFiles%\icall\zlib.dll
%ProgramFiles%\ins\vitalagent\program\zlib.dll
%ProgramFiles%\java\jre6\bin\zf32.dll
%ProgramFiles%\jungledisk\zlib.dll
%ProgramFiles%\kceasy\gift\zlib.dll
%ProgramFiles%\k-litenitro\gift\zlib.dll
%ProgramFiles%\kvmsecure\zlib.dll
%ProgramFiles%\kwmusic\zlib.dll
%ProgramFiles%\louyue\lsc\zlib.dll
%ProgramFiles%\meitu\kankan\zlib.dll
%ProgramFiles%\messengerdiscovery\zlib.dll
%ProgramFiles%\mini-stream\rm downloader\zlibwapi.dll
%ProgramFiles%\miranda im\zlib.dll
%ProgramFiles%\mmgame\zlib.dll
%ProgramFiles%\monkey3\zlib.dll
%ProgramFiles%\nuonsoft\shellenhancer\zlib.dll
%ProgramFiles%\o2micro\succendo\zlib.dll
%ProgramFiles%\onet\flircik\zlib.dll
%ProgramFiles%\orange\zlib.dll
%ProgramFiles%\pandora recovery\zlib.dll
%ProgramFiles%\pianitostudio\zlib.dll
%ProgramFiles%\poker.gr\zlib1.dll
%ProgramFiles%\pokerroom.com\zlib1.dll
%ProgramFiles%\proxomitron naoko-4\zlib.dll
%ProgramFiles%\realav\zlib.dll
%ProgramFiles%\red kings poker\zlib1.dll
%ProgramFiles%\regclean\zlib.dll
%ProgramFiles%\regcure\zlibwapi.dll
%ProgramFiles%\regfixpro\zlib.dll
%ProgramFiles%\registryfox\zlib.dll
%ProgramFiles%\registrysmart\zlib.dll
%ProgramFiles%\rogueremover free\zlib.dll
%ProgramFiles%\sam\zlib.dll
%ProgramFiles%\seo note\zlib.dll
%ProgramFiles%\skype\plugin manager\zf32.dll
%ProgramFiles%\smart antivirus 2009\zlib.dll
%ProgramFiles%\softwin\bitdefender for icq\zlib.dll
%ProgramFiles%\softwin\bitdefender for yahoo messenger\zlib.dll
%ProgramFiles%\spywarebot\zlib.dll
%ProgramFiles%\spywareremover\zlib.dll
%ProgramFiles%\the ur-quan masters\zlib1.dll
%ProgramFiles%\unpacker\zlib.dll
%ProgramFiles%\virusisolator\zlib.dll
%ProgramFiles%\visiosonic\pcdj red vrm\zlib.dll
%ProgramFiles%\winamp\zlib.dll
%ProgramFiles%\windows nt\windows update\zf32.dll
%ProgramFiles%\winperformance\zlib.dll
%ProgramFiles%\xoftspyse\zlibwapi.dll
%ProgramFiles%\xraymypc\xraymypcsystemscanner\zlib.dll
%ProgramFiles%\zar\zlib1.dll
%System%\defender\zlib.dll
%System%\lib\zlib.dll
%System%\malwareremovalbot\zlib.dll
%System%\partycasino_installer\zlib.dll
%System%\partypoker_installer\zlib.dll
%System%\setup\zf32.dll
%System%\setupxv\antivirus360remover\zlib.dll
%System%\windowxp\zlib.dll
%System%\yugma\lib\zlib.dll
%System%\zf32.dll
%System%\zlbw.dll
%System%\zlib.dll
%System%\zlibwapi.dll
%System%\ztlib.dll
%Temp%\7zs1.tmp\adwarealert\zlib.dll
%Temp%\7zs1.tmp\adwarebot\zlib.dll
%Temp%\7zs1.tmp\antispywareapp\zlib.dll
Notes:
  • %AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.
  • %CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.
  • %ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.
  • %System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).
  • %Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

The file "zlib.dll" has the following possible country of origin:
OriginNumber of Incidents
France118

The following threats are known to be associated with the file "zlib.dll":
Threat AliasNumber of Incidents
RogueAntiSpyware.AntiVirusPro [PC Tools]804
Backdoor.Trojan [Symantec]198
Backdoor.VB.GEN [PC Tools]198
Backdoor.Win32.Shark.dxa [Kaspersky Lab]198
Mal/Generic-A [Sophos]180
Backdoor.Win32.VB [Ikarus]169
Generic BackDoor [McAfee]90
RogueAntiSpyware.VirusIsolator [PC Tools]67
Win-Trojan/Shark.28160 [AhnLab]36
Trojan:Win32/Bumat!rts [Microsoft]19
Backdoor.Win32.Shark [Ikarus]18
Win32.SuspectCrc [Ikarus]12
Backdoor.Win32.Hupigon [Ikarus]1
Generic PUP.z [McAfee]1
Generic.dx!dnh [McAfee]1
Mal/Packer [Sophos]1
not-a-virus:FraudTool.Win32.AntiSpywareBot.a [Ikarus]1
Signed-FraudTool [Ikarus]1
Signed-FraudTool.Win32.AntiSpyware [Ikarus]1
Trojan Horse [Symantec]1