TROJ_VBKRYPT.UB

October 13, 2012

ALIASES:

Trojan:Win32/Comame (Microsoft); Generic.tra!a (McAfee); W32.SillyFDC (Symantec); Trojan.Win32.VBKrypt.ebjd (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Trojan.Agent.ASRV (FSecure)

PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

OVERALL RISK RATING:

DAMAGE POTENTIAL:

DISTRIBUTION POTENTIAL:

REPORTED INFECTION:

Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes

OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

TECHNICAL DETAILS

File Size: 86,016 bytes

File Type: EXE

Memory Resident: Yes

Initial Samples Received Date: 21 Jul 2012

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
Service = "%User Temp%\winlogon.exe"

Other System Modifications

This Trojan adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Security Center
UACDisableNotify = "0"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
EnableLUA = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile
EnableFirewall = "0"

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile
DoNotAllowExceptions = "0"

Other Details

This Trojan connects to the following possibly malicious URL:

http://musicayvideos.{BLOCKED}s.tv/yaris/tuh.php?{random characters}
http://xaaaaa.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaab.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaac.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaad.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaae.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaaf.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaag.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaah.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaai.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaaj.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaak.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaal.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaam.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaan.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaao.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaap.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaaq.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaar.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaas.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaat.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaau.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaav.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaaw.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaax.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaay.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaaz.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaa1.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaa2.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaa3.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaa4.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaa5.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaa6.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaa7.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaa8.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaa9.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaba.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabb.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabc.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabd.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabe.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabf.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabg.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabh.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabi.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabj.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabk.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabl.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabm.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabn.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabo.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabp.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabq.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabr.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabs.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabt.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabu.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabv.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabw.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabx.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaby.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaabz.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaab1.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaab2.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaab3.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaab4.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaab5.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaab6.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaab7.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaab8.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaab9.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaca.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacb.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacc.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacd.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaace.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacf.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacg.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaach.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaci.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacj.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaack.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacl.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacm.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacn.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaco.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacp.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacq.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacr.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacs.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaact.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacu.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacv.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacw.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacx.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacy.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaacz.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaac1.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaac2.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaac3.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaac4.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaac5.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaac6.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaac7.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaac8.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaac9.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaada.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadb.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadc.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadd.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaade.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadf.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadg.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadh.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadi.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadj.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadk.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadl.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadm.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadn.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaado.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadp.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadq.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadr.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaads.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadt.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadu.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadv.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadw.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadx.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaady.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaadz.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaad1.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaad2.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaad3.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaad4.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaad5.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaad6.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaad7.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaad8.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaad9.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaea.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaeb.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaec.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaed.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaee.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaef.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaeg.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaeh.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaei.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaej.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaek.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaael.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaem.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaen.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaeo.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaep.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaeq.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaer.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaes.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaet.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaeu.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaev.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaew.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaex.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaey.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaez.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaae1.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaae2.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaae3.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaae4.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaae5.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaae6.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaae7.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaae8.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaae9.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafa.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafb.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafc.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafd.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafe.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaff.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafg.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafh.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafi.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafj.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafk.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafl.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafm.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafn.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafo.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafp.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafq.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafr.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafs.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaft.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafu.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafv.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafw.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafx.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafy.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaafz.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaf1.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaf2.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaf3.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaf4.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaf5.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaf6.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaf7.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaf8.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaf9.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaga.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagb.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagc.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagd.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaage.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagf.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagg.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagh.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagi.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagj.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagk.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagl.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagm.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagn.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaago.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagp.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagq.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagr.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaags.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagt.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagu.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagv.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagw.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagx.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagy.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaagz.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaag1.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaag2.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaag3.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaag4.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaag5.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaag6.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaag7.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaag8.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaag9.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaaha.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahb.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahc.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahd.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahe.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahf.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahg.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahh.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahi.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahj.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahk.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahl.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahm.{BLOCKED}s.org/yaris/tuh.php?{random characters}
http://xaaahn.{BLOCKED}s.org/yaris/tuh.php?{random characters}

This report is generated via an automated analysis system.

SOLUTION

Minimum Scan Engine: 9.200

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- Service = "%User Temp%\winlogon.exe"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center
- UACDisableNotify = "0"

In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
- EnableLUA = "0"

In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
- EnableFirewall = "0"

In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile
- DoNotAllowExceptions = "0"

Step 4

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_VBKRYPT.UB. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

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