Trojan.DownLoader9.7609

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'vip' = 'c:\winnt\system32\micros\vv.bat'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'win32x' = 'c:\winnt\system32\micros\svhost.exe'
[<HKLM>\SOFTWARE\Classes\ChatFile\Shell\open\command] '' = '"c:\winnt\system32\micros\svhost.exe"'
[<HKLM>\SOFTWARE\Classes\APD\Shell\open\command] '' = '"c:\winnt\system32\micros\svhost.exe"'

Malicious functions:

Creates and executes the following:

'C:\winnt\system32\micros\secure.exe' /n /fh /r "copy.bat"
'C:\winnt\system32\micros\secure.exe' /n /fh /r "vv.bat"
'C:\winnt\system32\micros\secure.exe' /n /fh /r "tftp4nt.exe -install"
'C:\winnt\system32\micros\secure.exe' /n /fh /r "tftpsrv.exe"
'C:\winnt\system32\micros\secure.exe' /n /fh /r "v.bat"
'C:\winnt\system32\micros\svhost.exe'
'C:\winnt\system32\micros\secure.exe' /n /fh /r svhost.exe
'C:\winnt\system32\micros\secure.exe' /n /fh UPDATE
'C:\winnt\system32\micros\secure.exe' /n /fh /r "ft.bat"
'C:\winnt\system32\micros\ownage.exe'

Executes the following:

'<SYSTEM32>\net.exe' stop Iface.exe /y
'<SYSTEM32>\net1.exe' stop Icsuppnt.exe /y
'<SYSTEM32>\net.exe' stop Icsuppnt.exe /y
'<SYSTEM32>\net1.exe' stop Iface.exe /y
'<SYSTEM32>\net.exe' stop IOMON98 /y
'<SYSTEM32>\net1.exe' stop Internet Alert 99 /y
'<SYSTEM32>\net.exe' stop Internet Alert 99 /y
'<SYSTEM32>\net1.exe' stop Icsupp95.exe /y
'<SYSTEM32>\net.exe' stop ICMON /y
'<SYSTEM32>\net1.exe' stop Icloadnt.exe /y
'<SYSTEM32>\net.exe' stop Icloadnt.exe /y
'<SYSTEM32>\net1.exe' stop ICMON /y
'<SYSTEM32>\net.exe' stop Icsupp95.exe /y
'<SYSTEM32>\net1.exe' stop Icmon.exe /y
'<SYSTEM32>\net.exe' stop Icmon.exe /y
'<SYSTEM32>\net1.exe' stop Look'n'Stop /y
'<SYSTEM32>\net.exe' stop Look'n'Stop /y
'<SYSTEM32>\net1.exe' stop Lockdown2000.exe /y
'<SYSTEM32>\net.exe' stop Look'n'Stop Lite /y
'<SYSTEM32>\net1.exe' stop Lookout.exe /y
'<SYSTEM32>\net.exe' stop Lookout.exe /y
'<SYSTEM32>\net1.exe' stop Look'n'Stop Lite /y
'<SYSTEM32>\net.exe' stop Lockdown2000.exe /y
'<SYSTEM32>\net1.exe' stop Iomon98.exe /y
'<SYSTEM32>\net.exe' stop Iomon98.exe /y
'<SYSTEM32>\net1.exe' stop IOMON98 /y
'<SYSTEM32>\net.exe' stop Jedi.exe /y
'<SYSTEM32>\net1.exe' stop LOCKDOWN2000 /y
'<SYSTEM32>\net.exe' stop LOCKDOWN2000 /y
'<SYSTEM32>\net1.exe' stop Jedi.exe /y
'<SYSTEM32>\net.exe' stop Frw.exe /y
'<SYSTEM32>\net1.exe' stop Freedom 2 /y
'<SYSTEM32>\net.exe' stop Freedom 2 /y
'<SYSTEM32>\net1.exe' stop Frw.exe /y
'<SYSTEM32>\net.exe' stop F-Stopw.exe /y
'<SYSTEM32>\net1.exe' stop F-STOPW /y
'<SYSTEM32>\net.exe' stop F-STOPW /y
'<SYSTEM32>\net1.exe' stop Fp-Win.exe /y
'<SYSTEM32>\net.exe' stop F-Prot95.exe /y
'<SYSTEM32>\net1.exe' stop F-PROT95 /y
'<SYSTEM32>\net.exe' stop F-PROT95 /y
'<SYSTEM32>\net1.exe' stop F-Prot95.exe /y
'<SYSTEM32>\net.exe' stop Fp-Win.exe /y
'<SYSTEM32>\net1.exe' stop FP-WIN /y
'<SYSTEM32>\net.exe' stop FP-WIN /y
'<SYSTEM32>\net1.exe' stop Ibmasn.exe /y
'<SYSTEM32>\net.exe' stop Ibmasn.exe /y
'<SYSTEM32>\net1.exe' stop Iamserv.exe /y
'<SYSTEM32>\net.exe' stop Ibmavsp.exe /y
'<SYSTEM32>\net1.exe' stop Icload95.exe /y
'<SYSTEM32>\net.exe' stop Icload95.exe /y
'<SYSTEM32>\net1.exe' stop Ibmavsp.exe /y
'<SYSTEM32>\net.exe' stop Iamserv.exe /y
'<SYSTEM32>\net1.exe' stop GNAT Box Lite /y
'<SYSTEM32>\net.exe' stop GNAT Box Lite /y
'<SYSTEM32>\net1.exe' stop F-Stopw.exe /y
'<SYSTEM32>\net.exe' stop IAMAPP /y
'<SYSTEM32>\net1.exe' stop Iamapp.exe /y
'<SYSTEM32>\net.exe' stop Iamapp.exe /y
'<SYSTEM32>\net1.exe' stop IAMAPP /y
'<SYSTEM32>\net.exe' stop NeoWatch /y
'<SYSTEM32>\net1.exe' stop Navwnt.exe /y
'<SYSTEM32>\net.exe' stop Navwnt.exe /y
'<SYSTEM32>\net1.exe' stop NeoWatch /y
'<SYSTEM32>\net.exe' stop NISUM /y
'<SYSTEM32>\net1.exe' stop NISSERV /y
'<SYSTEM32>\net.exe' stop NISSERV /y
'<SYSTEM32>\net1.exe' stop NAVWNT /y
'<SYSTEM32>\net.exe' stop NAVW32 /y
'<SYSTEM32>\net1.exe' stop NAVRUNR /y
'<SYSTEM32>\net.exe' stop NAVRUNR /y
'<SYSTEM32>\net1.exe' stop NAVW32 /y
'<SYSTEM32>\net.exe' stop NAVWNT /y
'<SYSTEM32>\net1.exe' stop Navw32.exe /y
'<SYSTEM32>\net.exe' stop Navw32.exe /y
'<SYSTEM32>\net1.exe' stop Normist.exe /y
'<SYSTEM32>\net.exe' stop Normist.exe /y
'<SYSTEM32>\net1.exe' stop Norman Personal Firewall /y
'<SYSTEM32>\net.exe' stop NORTON /y
'<SYSTEM32>\net1.exe' stop Norton AntiVirus Server /y
'<SYSTEM32>\net.exe' stop Norton AntiVirus Server /y
'<SYSTEM32>\net1.exe' stop NORTON /y
'<SYSTEM32>\net.exe' stop Norman Personal Firewall /y
'<SYSTEM32>\net1.exe' stop Nisum.exe /y
'<SYSTEM32>\net.exe' stop Nisum.exe /y
'<SYSTEM32>\net1.exe' stop NISUM /y
'<SYSTEM32>\net.exe' stop NMAIN /y
'<SYSTEM32>\net1.exe' stop Nmain.exe /y
'<SYSTEM32>\net.exe' stop Nmain.exe /y
'<SYSTEM32>\net1.exe' stop NMAIN /y
'<SYSTEM32>\net.exe' stop McAfee Internet Guard Dog Pro /y
'<SYSTEM32>\net1.exe' stop McAfee Firewall /y
'<SYSTEM32>\net.exe' stop McAfee Firewall /y
'<SYSTEM32>\net1.exe' stop McAfee Internet Guard Dog Pro /y
'<SYSTEM32>\net.exe' stop Mpftray.exe /y
'<SYSTEM32>\net1.exe' stop Moolive.exe /y
'<SYSTEM32>\net.exe' stop Moolive.exe /y
'<SYSTEM32>\net1.exe' stop MCAFEE /y
'<SYSTEM32>\net.exe' stop Luall.exe /y
'<SYSTEM32>\net1.exe' stop LUALL /y
'<SYSTEM32>\net.exe' stop LUALL /y
'<SYSTEM32>\net1.exe' stop Luall.exe /y
'<SYSTEM32>\net.exe' stop MCAFEE /y
'<SYSTEM32>\net1.exe' stop LUCOMSERVER /y
'<SYSTEM32>\net.exe' stop LUCOMSERVER /y
'<SYSTEM32>\net1.exe' stop NAVLU32 /y
'<SYSTEM32>\net.exe' stop NAVLU32 /y
'<SYSTEM32>\net1.exe' stop Navapw32.exe /y
'<SYSTEM32>\net.exe' stop Navlu32.exe /y
'<SYSTEM32>\net1.exe' stop Navnt.exe /y
'<SYSTEM32>\net.exe' stop Navnt.exe /y
'<SYSTEM32>\net1.exe' stop Navlu32.exe /y
'<SYSTEM32>\net.exe' stop Navapw32.exe /y
'<SYSTEM32>\net1.exe' stop N32scanw.exe /y
'<SYSTEM32>\net.exe' stop N32scanw.exe /y
'<SYSTEM32>\net1.exe' stop Mpftray.exe /y
'<SYSTEM32>\net.exe' stop NAVAPSVC /y
'<SYSTEM32>\net1.exe' stop NAVAPW32 /y
'<SYSTEM32>\net.exe' stop NAVAPW32 /y
'<SYSTEM32>\net1.exe' stop NAVAPSVC /y
'<SYSTEM32>\net1.exe' stop F-Prot.exe /y
'<SYSTEM32>\net1.exe' stop AVP32 /y
'<SYSTEM32>\net.exe' stop AVP32 /y
'<SYSTEM32>\net1.exe' stop Avp.exe /y
'<SYSTEM32>\net.exe' stop Avp32.exe /y
'<SYSTEM32>\net1.exe' stop Avpcc.exe /y
'<SYSTEM32>\net.exe' stop Avpcc.exe /y
'<SYSTEM32>\net1.exe' stop Avp32.exe /y
'<SYSTEM32>\net.exe' stop Avp.exe /y
'<SYSTEM32>\net1.exe' stop Avgctrl.exe /y
'<SYSTEM32>\net.exe' stop Avgctrl.exe /y
'<SYSTEM32>\net1.exe' stop Ave32.exe /y
'<SYSTEM32>\net.exe' stop Avkserv.exe /y
'<SYSTEM32>\net1.exe' stop Avnt.exe /y
'<SYSTEM32>\net.exe' stop Avnt.exe /y
'<SYSTEM32>\net1.exe' stop Avkserv.exe /y
'<SYSTEM32>\net.exe' stop AVSync Manager /y
'<SYSTEM32>\net1.exe' stop Avsched32.exe /y
'<SYSTEM32>\net.exe' stop Avsched32.exe /y
'<SYSTEM32>\net1.exe' stop AVSync Manager /y
'<SYSTEM32>\net.exe' stop Avwin95.exe /y
'<SYSTEM32>\net1.exe' stop AVSYNMGR /y
'<SYSTEM32>\net.exe' stop AVSYNMGR /y
'<SYSTEM32>\net1.exe' stop Avpupd.exe /y
'<SYSTEM32>\net.exe' stop Avpm.exe /y
'<SYSTEM32>\net1.exe' stop Avpdos32.exe /y
'<SYSTEM32>\net.exe' stop Avpdos32.exe /y
'<SYSTEM32>\net1.exe' stop Avpm.exe /y
'<SYSTEM32>\net.exe' stop Avpupd.exe /y
'<SYSTEM32>\net1.exe' stop Avptc32.exe /y
'<SYSTEM32>\net.exe' stop Avptc32.exe /y
'<SYSTEM32>\net1.exe' stop _Avpm.exe /y
'<SYSTEM32>\net.exe' stop _Avpm.exe /y
'<SYSTEM32>\net1.exe' stop _Avpcc.exe /y
'<SYSTEM32>\net.exe' stop Ackwin32.exe /y
'<SYSTEM32>\net1.exe' stop Agnitum Outpost Firewall /y
'<SYSTEM32>\net.exe' stop Agnitum Outpost Firewall /y
'<SYSTEM32>\net1.exe' stop Ackwin32.exe /y
'<SYSTEM32>\net.exe' stop _Avpcc.exe /y
'<SYSTEM32>\cmd.exe' /c copy.bat
'<SYSTEM32>\cmd.exe' /c vv.bat
'<SYSTEM32>\cmd.exe' /c ft.bat
'%WINDIR%\msagent\agentsvr.exe' -Embedding
'<SYSTEM32>\net1.exe' stop _Avp32.exe /y
'<SYSTEM32>\net.exe' stop _Avp32.exe /y
'<SYSTEM32>\cmd.exe' /c v.bat
'<SYSTEM32>\net.exe' stop AVCONSOL /y
'<SYSTEM32>\net1.exe' stop Autodown.exe /y
'<SYSTEM32>\net.exe' stop Autodown.exe /y
'<SYSTEM32>\net1.exe' stop AVCONSOL /y
'<SYSTEM32>\net.exe' stop Ave32.exe /y
'<SYSTEM32>\net1.exe' stop Avconsol.exe /y
'<SYSTEM32>\net.exe' stop Avconsol.exe /y
'<SYSTEM32>\net1.exe' stop ATRACK /y
'<SYSTEM32>\net.exe' stop ANTIVIR /y
'<SYSTEM32>\net1.exe' stop Anti-Trojan.exe /y
'<SYSTEM32>\net.exe' stop Anti-Trojan.exe /y
'<SYSTEM32>\net1.exe' stop ANTIVIR /y
'<SYSTEM32>\net.exe' stop ATRACK /y
'<SYSTEM32>\net1.exe' stop Apvxdwin.exe /y
'<SYSTEM32>\net.exe' stop Apvxdwin.exe /y
'<SYSTEM32>\net1.exe' stop Dvp95.exe /y
'<SYSTEM32>\net.exe' stop Dvp95.exe /y
'<SYSTEM32>\net1.exe' stop Defwatch.exe /y
'<SYSTEM32>\net.exe' stop Dvp95_0.exe /y
'<SYSTEM32>\net1.exe' stop Ecengine.exe /y
'<SYSTEM32>\net.exe' stop Ecengine.exe /y
'<SYSTEM32>\net1.exe' stop Dvp95_0.exe /y
'<SYSTEM32>\net.exe' stop Defwatch.exe /y
'<SYSTEM32>\net1.exe' stop Cleaner3.exe /y
'<SYSTEM32>\net.exe' stop Cleaner3.exe /y
'<SYSTEM32>\net1.exe' stop Cleaner.exe /y
'<SYSTEM32>\net.exe' stop ConSeal PC Firewall
'<SYSTEM32>\net1.exe' stop Defwatch /y
'<SYSTEM32>\net.exe' stop Defwatch /y
'<SYSTEM32>\net1.exe' stop ConSeal PC Firewall
'<SYSTEM32>\net.exe' stop Findviru.exe /y
'<SYSTEM32>\net1.exe' stop F-Agnt95.exe /y
'<SYSTEM32>\net.exe' stop F-Agnt95.exe /y
'<SYSTEM32>\net1.exe' stop Findviru.exe /y
'<SYSTEM32>\net.exe' stop F-Prot.exe /y
'<SYSTEM32>\net1.exe' stop Fprot.exe /y
'<SYSTEM32>\net.exe' stop Fprot.exe /y
'<SYSTEM32>\net1.exe' stop eTrust EZ Firewall /y
'<SYSTEM32>\net.exe' stop Esafe.exe /y
'<SYSTEM32>\net1.exe' stop eSafe Protect Desktop /y
'<SYSTEM32>\net.exe' stop eSafe Protect Desktop /y
'<SYSTEM32>\net1.exe' stop Esafe.exe /y
'<SYSTEM32>\net.exe' stop eTrust EZ Firewall /y
'<SYSTEM32>\net1.exe' stop Espwatch.exe /y
'<SYSTEM32>\net.exe' stop Espwatch.exe /y
'<SYSTEM32>\net1.exe' stop Blackice.exe /y
'<SYSTEM32>\net.exe' stop Blackice.exe /y
'<SYSTEM32>\net1.exe' stop BlackICE Defender /y
'<SYSTEM32>\net.exe' stop CA Sessionwall-3 /y
'<SYSTEM32>\net1.exe' stop Cfiadmin.exe /y
'<SYSTEM32>\net.exe' stop Cfiadmin.exe /y
'<SYSTEM32>\net1.exe' stop CA Sessionwall-3 /y
'<SYSTEM32>\net.exe' stop BlackICE Defender /y
'<SYSTEM32>\net1.exe' stop Avwupd32.exe /y
'<SYSTEM32>\net.exe' stop Avwupd32.exe /y
'<SYSTEM32>\net1.exe' stop Avwin95.exe /y
'<SYSTEM32>\net.exe' stop Blackd.exe /y
'<SYSTEM32>\net1.exe' stop BLACKICE /y
'<SYSTEM32>\net.exe' stop BLACKICE /y
'<SYSTEM32>\net1.exe' stop Blackd.exe /y
'<SYSTEM32>\net.exe' stop Claw95.exe /y
'<SYSTEM32>\net1.exe' stop Cfinet32.exe /y
'<SYSTEM32>\net.exe' stop Cfinet32.exe /y
'<SYSTEM32>\net1.exe' stop Claw95.exe /y
'<SYSTEM32>\net.exe' stop Cleaner.exe /y
'<SYSTEM32>\net1.exe' stop Claw95cf.exe /y
'<SYSTEM32>\net.exe' stop Claw95cf.exe /y
'<SYSTEM32>\net1.exe' stop CFINET32 /y
'<SYSTEM32>\net.exe' stop CFINET /y
'<SYSTEM32>\net1.exe' stop Cfiaudit.exe /y
'<SYSTEM32>\net.exe' stop Cfiaudit.exe /y
'<SYSTEM32>\net1.exe' stop CFINET /y
'<SYSTEM32>\net.exe' stop CFINET32 /y
'<SYSTEM32>\net1.exe' stop Cfinet.exe /y
'<SYSTEM32>\net.exe' stop Cfinet.exe /y

Modifies file system :

Creates the following files:

C:\winnt\system32\micros\v.bat
C:\winnt\system32\micros\vv.bat
C:\winnt\system32\micros\svhost.exe
C:\winnt\system32\micros\secure.exe
C:\winnt\system32\micros\sqlpass.dic
C:\winnt\system32\micros\rconnect.log
C:\winnt\system32\micros\TMP1.$$$
C:\winnt\system32\micros\r.ini
C:\winnt\system32\micros\coderx.dll
C:\winnt\system32\micros\rcfg.ini
C:\winnt\system32\micros\Libparse.exe
C:\winnt\system32\micros\mscmd.exe
C:\winnt\system32\micros\kammi.exe
C:\winnt\system32\micros\copy.bat
C:\winnt\system32\micros\ft.bat
C:\winnt\system32\micros\rconnect.conf
C:\winnt\system32\micros\scansql.exe
C:\winnt\system32\micros\ownage.exe
C:\winnt\system32\micros\nickz.dbx
C:\winnt\system32\micros\osql.exe

Sets the 'hidden' attribute to the following files:

C:\winnt\system32\micros\rconnect.conf
C:\winnt\system32\micros\mscmd.exe

Deletes the following files:

C:\winnt\system32\micros\TMP2.$$$

Moves the following files:

from C:\winnt\system32\micros\TMP1.$$$ to C:\winnt\system32\micros\r.ini
from C:\winnt\system32\micros\r.ini to C:\winnt\system32\micros\TMP2.$$$

Network activity:

Connects to:

'ir#.##ozchat.com':7000

UDP:

DNS ASK ir#.##ozchat.com

Miscellaneous:

Searches for the following windows:

ClassName: '' WindowName: 'UPDATE'
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: 'EDIT' WindowName: ''

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