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Trojan-Downloader.Win32.Small Removal: Remove Trojan-Downloader.Win32.Small Forever

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What is Trojan-Downloader.Win32.Small? Technical details of Trojan-Downloader.Win32.Small problem and Trojan-Downloader.Win32.Small removal tool

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Threat's profile

Threat indicator: HIGH
 Name of the threat: Trojan-Downloader.Win32.Small
Command or file name: 0sy.exe
Threat type: Spyware\trojan
Affected OS: Win32 (Windows 9x, Windows XP, Windows Vista)

Trojan-Downloader.Win32.Small intrusion method

Trojan-Downloader.Win32.Small copies its file(s) to your hard disk. Its typical file name is 0sy.exe. Then it creates new startup key with name Trojan-Downloader.Win32.Small and value 0sy.exe. You can also find it in your processes list with name 0sy.exe or Trojan-Downloader.Win32.Small.

If you have further questions about Trojan-Downloader.Win32.Small, please fill in the form above and we'll contact you shortly.

» Download program to remove Trojan-Downloader.Win32.Small (Trojan-Downloader.Win32.Small Removal Tool)

Recommended Solution

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Fast, easy, and handy, Trojan-Downloader.Win32.Small Removal Tool protects your computer against Trojan-Downloader.Win32.Small that does harm to your computer and breaks your privacy. Trojan-Downloader.Win32.Small Removal Tool scans your hard disks and registry and destroys any manifestation of Trojan-Downloader.Win32.Small. Standard anti-virus software can do nothing against malicious programs like Trojan-Downloader.Win32.Small. Remove Trojan-Downloader.Win32.Small straight away!

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How to fix Trojan-Downloader.Win32.Small

This problem can be solved manually by deleting all registry keys and files connected with Trojan-Downloader.Win32.Small, removing it from starup list and unregistering all corresponding DLLs. Additionally missing DLL's should be restored from distribution in case they are corrupted by Trojan-Downloader.Win32.Small.

To get rid of Trojan-Downloader.Win32.Small, you should:

1. Kill the following processes and delete the appropriate files:

• 1363419472726
• 1sy.exe
• ac3_0010.exe
• agetltfes.exe
• apimc.dll
• bkqntai.exe
• bkqntaia.exe
• casprog[1].exe
• cmljgefe.exe
• cn.exe
• crcj32.dll
• dll.dll
• domainhelper.dll
• downloaded.exe
• f234187.exe
• f234859.exe
• f234875.exe
• glf18glf18.exe
• hydll.dll
• i9.tmp
• ia.tmp
• ib.tmp
• ic.tmp
• ldcore.dll
• ldinfo.ldr
• links.tmp
• lwq203d0.dll
• lwq203d0.sys
• msrgzltk.exe
• mst11.bat
• mst11.tmp
• mste.bat
• mste.tmp
• nlhaqna.exe
• nweipeg.dll
• pefdpalj.exe
• rrckoak.exe
• seed01[1].ini
• seedc-pid30[1].exe
• srvgqopizu.exe
• srvkfqwatx.exe
• stdrun1.exe
• stdrun10.exe
• stdrun11.exe
• stdrun12.exe
• stdrun13.exe
• stdrun14.exe
• stdrun15.exe
• stdrun16.exe
• stdrun2.exe
• stdrun3.exe
• stdrun4.exe
• stdrun5.exe
• stdrun7.exe
• stdrun8.exe
• stdrun9.exe
• tcb.pmw
• trojan-downloader.win32.small.a.exe
• trojan-downloader.win32.small.ab.exe
• trojan-downloader.win32.small.abn.exe
• trojan-downloader.win32.small.acp.exe
• Trojan-Downloader.Win32.Small.agt.exe
• trojan-downloader.win32.small.ai.exe
• trojan-downloader.win32.small.aj.exe
• trojan-downloader.win32.small.ar.exe
• trojan-downloader.win32.small.d.exe
• Trojan-Downloader.Win32.Small.do.exe
• Trojan-Downloader.Win32.Small.e.exe
• Trojan-Downloader.Win32.Small.en.exe
• trojan-downloader.win32.small.eo.exe
• Trojan-Downloader.Win32.Small.es.exe
• Trojan-Downloader.Win32.Small.fe.exe
• Trojan-Downloader.Win32.Small.go.exe
• trojan-downloader.win32.small.hp.exe
• Trojan-Downloader.Win32.Small.hs.exe
• Trojan-Downloader.Win32.Small.jb.exe
• Trojan-Downloader.Win32.Small.jg.exe
• Trojan-Downloader.Win32.Small.jk.exe
• trojan-downloader.win32.small.jm.exe
• trojan-downloader.win32.small.jn.exe
• trojan-downloader.win32.small.ka.exe
• Trojan-Downloader.Win32.Small.os.exe
• trojan-downloader.win32.small.ug.exe
• Trojan-Downloader.Win32.Small.vf.exe
• tsongkie.exe
• u20.tmp
• u21.tmp
• updaterinstall.dat
• ussrmade.exe
• w0018af5.dll
• w003a75d.dll
• w003d7d3.dll
• w013105f.dll
• winzxp.exe
• xwxload.exe
• yxq203f7.dll
• yxq203f7.sys
• yyr20411.dll
• yyr20411.sys

Warning: you should delete only those files which checksums are listed as malicious. There may be valid files with the same names in your system. We recommend you to use Trojan-Downloader.Win32.Small Removal Tool for safe problem solution.

2. Delete the following malicious folders:

• C:\Documents and Settings\User\local settings\temporary internet files\content.ie5\muysuu3u\
• C:\Documents and Settings\User\local settings\temporary internet files\content.ie5\ljmaik6w\

3. Delete the following malicious registry entries and\or values:

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SYSsfitb

• Key: Software\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5321E378-FFAD-4999-8C62-03CA8155F0B3}

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SYSsfit

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SYSfit

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sfita

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boo

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boeline

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cworld

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cfy

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ecf

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\eyn

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\eso

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fmw

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\itual

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mop

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ncm

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nwf

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\omf

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\opmrket

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\pfy

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rofers

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vys

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vmo

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vpo

• Key: CLSID\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}\InprocServer32
  Value: ThreadingModel

• Key: CLSID\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}\TypeLib

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}\iexplore
  Value: Count

• Key: SOFTWARE\Classes\CLSID\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}
  Value: AppID

• Key: SOFTWARE\Classes\CLSID\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}\ProgID

• Key: SOFTWARE\Classes\CLSID\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}\Programmable

• Key: SOFTWARE\Classes\CLSID\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}\VersionIndependentProgID

• Key: SOFTWARE\Classes\DomainHelper.DH

• Key: SOFTWARE\Classes\DomainHelper.DH\CLSID

• Key: SOFTWARE\Classes\DomainHelper.DH\CurVer

• Key: SOFTWARE\Classes\DomainHelper.DH.1

• Key: SOFTWARE\Classes\DomainHelper.DH.1\CLSID

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Object\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}
  Value: NoExplorer

• Key: software\Microsoft\Windows\CurrentVersion\Ext\Stats\{371EE1EF-F177-1390-7807-08525DC0E55C}

• Key: software\Microsoft\Windows\CurrentVersion\Ext\Stats\{371EE1EF-F177-1390-7807-08525DC0E55C}\iexplore
  Value: Count

• Key: Software\Classes\CLSID\{371EE1EF-F177-1390-7807-08525DC0E55C}

• Key: Software\Classes\CLSID\{371EE1EF-F177-1390-7807-08525DC0E55C}\InprocServer32
  Value: ThreadingModel

• Key: Software\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{371EE1EF-F177-1390-7807-08525DC0E55C}

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B1}
  Value: ButtonText

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B2}
  Value: ButtonText

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B3}
  Value: ButtonText

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B4}
  Value: ButtonText

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B5}
  Value: ButtonText

• Key: CLSID\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}
  Value: AppID

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}\iexplore
  Value: Type

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{B8A5DE1C-BC13-4DD2-BF00-7BE3C603F9F2}\iexplore
  Value: Time

• Key: SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
  Value: AppInit_DLLs

• Key: software\microsoft\windows\currentversion\wintrust\trust provider\software publishing\trust database\0
  Value: ppcimdnnnjbeahepfabjipfginloedkg egckak

• Key: software\microsoft\windows\currentversion\wintrust\trust provider\software publishing\trust database\0
  Value: goicfboogidikkejccmclpieicilpokg ejemdn

• Key: software\microsoft\windows\currentversion\wintrust\trust provider\software publishing\trust database\0
  Value: goicfboogidikkejccmclpieicilpokg bihgbp

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion
  Value: z

• Key: Software\Media Codecs\21122006
  Value: StartTime

• Key: Software\Media Codecs\21122006
  Value: Total

• Key: Software\Media Codecs\21122006
  Value: LastIndex

• Key: Software\Media Codecs\21122006
  Value: Run

• Key: Software\Media Codecs\21122006
  Value: Delay

• Key: software\samb2\rrckoak\mzu
  Value: cid

• Key: software\Microsoft\Windows\CurrentVersion\Ext\Stats\{371EE1EF-F177-1390-7807-08525DC0E55C}\iexplore
  Value: Type

• Key: software\Microsoft\Windows\CurrentVersion\Ext\Stats\{371EE1EF-F177-1390-7807-08525DC0E55C}\iexplore
  Value: Time

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B1}
  Value: HotIcon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B1}
  Value: Icon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B1}
  Value: Exec

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B1}
  Value: CLSID

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B1}
  Value: Default Visible

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B2}
  Value: HotIcon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B2}
  Value: Icon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B2}
  Value: Exec

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B2}
  Value: CLSID

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B2}
  Value: Default Visible

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B3}
  Value: HotIcon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B3}
  Value: Icon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B3}
  Value: Exec

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B3}
  Value: CLSID

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B3}
  Value: Default Visible

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B4}
  Value: HotIcon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B4}
  Value: Icon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B4}
  Value: Exec

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B4}
  Value: CLSID

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B4}
  Value: Default Visible

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B5}
  Value: HotIcon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B5}
  Value: Icon

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B5}
  Value: Exec

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B5}
  Value: CLSID

• Key: Software\Microsoft\Internet Explorer\Extensions\{FE5A1910-F121-11d2-BE9E-01C04A7936B5}
  Value: Default Visible

• Key: Software\Microsoft\Internet Explorer\Main
  Value: Default_Page_URL

• Key: Software\Microsoft\Internet Explorer\Main
  Value: Start Page

• Key: Software\Microsoft\Internet Explorer\Main
  Value: Search Page

• Key: Software\Microsoft\Internet Explorer\Main
  Value: Search Bar

• Key: Software\Microsoft\Internet Explorer\Main
  Value: Default_Search_URL

• Key: Software\Microsoft\Internet Explorer\Main
  Value: Search Page

• Key: Software\Microsoft\Internet Explorer\Main
  Value: Search Bar

• Key: Software\Microsoft\Internet Explorer\Main
  Value: Start Page

• Key: SOFTWARE\Microsoft\Internet Explorer\Main
  Value: Start Page

• Key: Software\Microsoft\Internet Explorer\Search
  Value: CustomizeSearch

• Key: Software\Microsoft\Internet Explorer\Search
  Value: SearchAssistant

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\URL
  Value: DefaultPrefix

• Key: SOFTWARE\Microsoft\Windows\CurrentVersion\URL\DefaultPrefix

• Key: SOFTWARE\Microsoft\Internet Explorer
  Value: SearchURL

Warning: If value is listed for some registry entries, you should only clear these values and leave keys with such values untouched. We recommend you to use Trojan-Downloader.Win32.Small Removal Tool for safe problem solution.

Here are the descriptions of problems connected with Trojan-Downloader.Win32.Small and 0sy.exe we received earlier:


can´t rid Trojan.StartPage.JM, Trojan.Generic.1036969

Problem Summary: can´t rid Trojan.StartPage.JM, Trojan.Generic.1036969
can´t rid it

Our support has contacted the author of this message, Eduard, and helped to solve his problem.

Internet Explorer ... or like my friend sad Trojan

Problem Summary: Internet Explorer ... or like my friend sad Trojan
Well ... without doing nothing my IE turns on and stay down there on the bar and i CAN\'T click on it ... ! When press Ctrl + Alt + Del and go to processes I see 3-4 iexplore.exe ... wtf ... when i close 1-2 of these exes then the IE bar is gone BUT ... in processes there are still 3-4 iexplore.exe ... after slosing 2-3 they are still 3-4 or 5 ... after a few hours a new IE is turning on ... look http://img204.imageshack.us/img204/2173/internetexplorershitswg3.jpg ! BUT thats not all ! Now i CANT close that IE down there ... and like u can see on the screen ... The Manager CANNNOT END this process ... any ideas guys :( ?!

Our support has contacted the author of this message, BenJi, and helped to solve his problem.

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