Trojan Horses Definitions(b) - Backdoor.JavaUpdate

Backdoor.JavaUpdate

Category: Trojan

Risk: Severe Risk

* Severe threats typically are remotely exploitable vulnerabilities, which can lead to system compromise. Successful exploitation does not normally require any interaction and exploits are in the wild. There exists a high possibility of potential system damage or security flaw. Attacker has complete control over your computer or install new software on your machine.

Description: Backdoor.JavaUpdate is a backdoor program that allows a remote attacker to download and execute files on an infected machine. When Backdoor.Jupdate is executed, it performs the following actions: Copies itself as the following, with a random file name made up of four to eight lowercase characters: %System%\[random name].exe %System%\[random name].dat (text file) Note: %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). Adds the value: "JavaUpdate0.07"="%system%\[dropped filename]" to the registry key: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run so that the Trojan is executed every time Windows starts. Attempts to terminate the following security-related processes: ccapp.exe smc.exe zlclient.exe ZONEALARM.EXE WFINDV32.EXE WEBSCANX.EXE VSSTAT.EXE VSHWIN32.EXE VSECOMR.EXE VSCAN40.EXE VETTRAY.EXE VET95.EXE TDS2-NT.EXE TDS2-98.EXE TCA.EXE TBSCAN.EXE SWEEP95.EXE SPHINX.EXE SMC.EXE SERV95.EXE SCRSCAN.EXE SCANPM.EXE SCAN95.EXE SCAN32.EXE SAFEWEB.EXE RESCUE.EXE RAV7WIN.EXE RAV7.EXE PERSFW.EXE PCFWALLICON.EXE PCCWIN98.EXE PAVW.EXE PAVSCHED.EXE PAVCL.EXE PADMIN.EXE OUTPOST.EXE NVC95.EXE NUPGRADE.EXE NORMIST.EXE NMAIN.EXE NISUM.EXE NAVWNT.EXE NAVW32.EXE NAVNT.EXE NAVLU32.EXE NAVAPW32.EXE N32SCANW.EXE MPFTRAY.EXE MOOLIVE.EXE LUALL.EXE LOCKDOWN2000.EXE JEDI.EXE IOMON98.EXE IFACE.EXE ICSUPPNT.EXE ICSUPP95.EXE ICMON.EXE ICLOADNT.EXE ICLOAD95.EXE IBMAVSP.EXE IBMASN.EXE IAMSERV.EXE IAMAPP.EXE FRW.EXE FPROT.EXE FP-WIN.EXE FINDVIRU.EXE F-STOPW.EXE F-PROT95.EXE F-PROT.EXE F-AGNT95.EXE ESPWATCH.EXE ESAFE.EXE ECENGINE.EXE DVP95_0.EXE DVP95.EXE CLEANER3.EXE CLEANER.EXE CLAW95CF.EXE CLAW95.EXE CFINET32.EXE CFINET.EXE CFIAUDIT.EXE CFIADMIN.EXE BLACKICE.EXE BLACKD.EXE AVWUPD32.EXE AVWIN95.EXE AVSCHED32.EXE AVPUPD.EXE AVPTC32.EXE AVPM.EXE AVPDOS32.EXE AVPCC.EXE AVP.EXE AVNT.EXE AVKSERV.EXE AVGCTRL.EXE AVE32.EXE AVCONSOL.EXE AUTODOWN.EXE APVXDWIN.EXE ANTI-TROJAN.EXE ACKWIN32.EXE _AVPM.EXE _AVPCC.EXE AVP32.EXE Listens on a random TCP port to wait for commands from a remote attacker. This will allow the attacker to download and run files on the infected machine.

Alias: Backdoor.JUpdate, Backdoor.Win32.Agent.ec, BackDoor-CLH

Signatures:
process: random.exe: MD5 Hash: e91e3e582cbbe0d709f..