Virus: TR/OnlineG.118269.B Date discovered: 09/12/2008 Type: Trojan In the wild: Yes Reported Infections: Low to medium Distribution Potential: Low to medium Damage Potential: Low to medium Static file: Yes File size: 118.269 Bytes MD5 checksum: 5979a4c8cc92f4a074b97be89539b927 IVDF version: 7.01.00.208 - Tuesday, December 9, 2008
General Method of propagation: • Autorun feature Aliases: • Sophos: Mal/EncPk-CE • Panda: W32/Lineage.JBP • Eset: Win32/PSW.OnLineGames.NMY • Bitdefender: Trojan.Generic.2291813 Platforms / OS: • Windows 2000 • Windows XP • Windows 2003 Side effects: • Downloads malicious files • Drops malicious files • Lowers security settings • Registry modification Files It copies itself to the following locations: • %SYSDIR% \amvo.exe • %drive% \00hoeav.com It overwrites a file. – %SYSDIR% \drivers\vga.sys The following files are created: – %drive% \autorun.inf This is a non malicious text file with the following content: • %code that runs malware% – %SYSDIR% \amvo0.dll Further investigation pointed out that this file is malware, too. Detected as: TR/Vundo.Gen – %SYSDIR% \optyhww0.dll Further investigation pointed out that this file is malware, too. Detected as: TR/Crypt.XPACK.Gen – %TEMPDIR% \ker1.tmp Further investigation pointed out that this file is malware, too. Detected as: TR/Drop.OnLi.123904 – %TEMPDIR% \azqy.dll Further investigation pointed out that this file is malware, too. Detected as: TR/Crypt.ZPACK.Gen – %SYSDIR% \urretnd.exe Further investigation pointed out that this file is malware, too. Detected as: TR/Drop.Agent.ahdz – %drive% \d1vmq.exe Further investigation pointed out that this file is malware, too. Detected as: TR/Drop.Agent.ahdz It tries to download some files: – The location is the following: • http://vfgtyp.com/fm4/********** Further investigation pointed out that this file is malware, too. – The location is the following: • http://www.gdgft76.com/fm4/********** Further investigation pointed out that this file is malware, too. Registry One of the following values is added in order to run the process after reboot: – [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] • "amva"="%SYSDIR% \amvo.exe" • "cbvcs"="%SYSDIR% \urretnd.exe" The following registry key is added: – [HKLM\SOFTWARE\Classes\CLSID\MADOWN] • "urlinfo"="afvbgy.m" The following registry keys are changed: – [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ Connections] New value: • "DefaultConnectionSettings"=hex:46,00,00,00,05,00,00,00,09,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,04,00,00,00,00,00,00,00,90,91,34,CA,C8,6D,CA,01,00,00,00,00,00,00,00,00,00,00,00,00,01,00,00,00,02,00,00,00,C0,A8,6B,64,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00 – [HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced] New value: • "Hidden"=dword:0x00000002 • "ShowSuperHidden"=dword:0x00000000 – [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ Folder\Hidden\SHOWALL] New value: • "CheckedValue"=dword:0x00000000 File details Runtime packer: In order to aggravate detection and reduce size of the file it is packed with a runtime packer.
Description inserted by Petre Galan on Tuesday, November 24, 2009 Description updated by Petre Galan on Wednesday, November 25, 2009
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