What is hostup.dll?

hostup.dll is usually located in the 'c:\Program Files\Fichiers communs\' folder.

Some of the anti-virus scanners at VirusTotal detected hostup.dll.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

VirusTotal report

40 of the 46 anti-virus programs at VirusTotal detected the hostup.dll file. That's a 87% detection rate.

Scanner	Detection Name
Agnitum	Trojan.Cosmu!2DOjKhQbPcY
AhnLab-V3	Trojan/Win32.Cosmu
AntiVir	TR/Crypt.XPACK.Gen
Antiy-AVL	Trojan/Win32.Cosmu.gen
Avast	Win32:Crypt-KZP [Trj]
AVG	Agent_r.ATF
BitDefender	Gen:Variant.Zusy.10712
CAT-QuickHeal	Trojan.Vasnasea.A4
ClamAV	Win.Trojan.Agent-36789
Commtouch	W32/Agent.MO.gen!Eldorado
Comodo	TrojWare.Win32.Agent.TCI
DrWeb	Trojan.Siggen3.38362
Emsisoft	Gen:Variant.Zusy.10712 (B)
eSafe	Win32.Trojan
ESET-NOD32	a variant of Win32/Agent.TCI
F-Prot	W32/Agent.MO.gen!Eldorado
F-Secure	Gen:Variant.Zusy.10712
GData	Gen:Variant.Zusy.10712
Ikarus	Virus.Win32.Vundo
Jiangmin	Trojan/Cosmu.jug
K7AntiVirus	Riskware
Kaspersky	Trojan.Win32.Cosmu.azap
Kingsoft	Win32.Troj.Generic.(kcloud)
McAfee	BackDoor-FDQ
McAfee-GW-Edition	Heuristic.BehavesLike.Win32.Suspicious.A
Microsoft	Trojan:Win32/Vasnasea.A
Norman	W32/SmallDrp.AZMR
Panda	Trj/Genetic.gen
PCTools	Trojan.Gen
Rising	Trojan.Win32.Fednu.tvq
Sophos	Mal/Behav-010
SUPERAntiSpyware	Trojan.Agent/Gen-Cosmu
Symantec	Trojan.Gen
TheHacker	Trojan/Cosmu.azap
TotalDefense	Win32/Inject.AST!genus
TrendMicro	TROJ_GEN.R4FC1JJ
TrendMicro-HouseCall	TROJ_GEN.R4FH1AO
VBA32	Trojan.Cosmu.azap
VIPRE	Trojan.Win32.Inject.al (v)
ViRobot	Trojan.Win32.Cosmu.59392.A

hostup.dll removal instructions

The instructions below shows how to remove hostup.dll with help from the FreeFixer removal tool. Basically, you install FreeFixer, scan your computer, check the hostup.dll file for removal, restart your computer and scan it again to verify that hostup.dll has been successfully removed. Here are the removal instructions in more detail:

1. Download and install FreeFixer: http://www.freefixer.com/download.html
2. Start FreeFixer and press the Start Scan button. The scan will finish in approximately five minutes.

   
3. When the scan is finished, locate hostup.dll in the scan result and tick the checkbox next to the hostup.dll file. Do not check any other file for removal unless you are 100% sure you want to delete it. Tip: Press CTRL-F to open up FreeFixer's search dialog to quickly locate hostup.dll in the scan result.

   

   

   c:\Program Files\Fichiers communs\hostup.dll

   
4. Scroll down to the bottom of the scan result and press the Fix button. FreeFixer will now delete the hostup.dll file.

   
5. Restart your computer.
6. Start FreeFixer and scan your computer again. If hostup.dll still remains in the scan result, proceed with the next step. If hostup.dll is gone from the scan result you're done.
7. If hostup.dll still remains in the scan result, check its checkbox again in the scan result and click Fix.
8. Restart your computer.
9. Start FreeFixer and scan your computer again. Verify that hostup.dll no longer appear in the scan result.

Filename variants

hostup.dll may also use other filenames. The most common variants are listed below:

• lsaloget.dll
• uplogms.dll

Folder name variants

hostup.dll may also be located in other folders than c:\Program Files\Fichiers communs\. The most common variants are listed below:

• c:\WINDOWS\$NtUninstallKB958644$\spuninst\

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