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[病毒样本] xerocodec4049.exe [md5:9af99f2]

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mofunzone
发表于 2008-4-18 07:30:50 | 显示全部楼层 |阅读模式
File:             xerocodec4049.exe      
      Status:                          INFECTED/MALWARE   
           
          MD5:                   9af99f2fc00ee147b07d55b159269d71         
           Packers detected:                     -
          
                Bit9 reports:                            File not found            
   
                   Scanner results          
      
            Scan taken on 17 Apr 2008 23:28:57 (GMT)       
       A-Squared                 Found  nothing
      
       AntiVir                 Found DR/Dldr.DNSChanger.Gen
      
       ArcaVir                 Found  nothing
      
       Avast                 Found Win32:Trojan-gen {Other}
      
       AVG Antivirus                 Found DNSChanger.AA
      
       BitDefender                 Found Dropped:Trojan.Downloader.Zlob.ABOU
      
       ClamAV                 Found  nothing
      
       CPsecure                 Found  nothing
      
       Dr.Web                 Found  nothing
      
       F-Prot Antivirus                 Found  nothing
      
       F-Secure Anti-Virus                 Found Trojan.Win32.DNSChanger.arn
      
       Fortinet                 Found  nothing
      
       Ikarus                 Found  nothing
      
       Kaspersky Anti-Virus                 Found Trojan.Win32.DNSChanger.arn
      
       NOD32                 Found  nothing
      
       Norman Virus Control                 Found Sandbox: W32/Malware;  [ General information ]
   
    * Creating several executable files on hard-drive.
    * File length:       235511 bytes.

[ Changes to filesystem ]
    * Creates directory C:\WINDOWS\TEMP\.
    * Creates file C:\WINDOWS\TEMP\nsr8919.tmp.
    * Deletes file C:\WINDOWS\TEMP\nsr8919.tmp.
    * Creates file C:\WINDOWS\TEMP\nsx0819.tmp.
    * Creates directory C:\WINDOWS.
    * Creates directory C:\WINDOWS\TEMP.
    * Creates file C:\WINDOWS\TEMP\notepad.exe.dat.
    * Creates file C:\WINDOWS\TEMP\calc.exe.dat.
    * Creates file C:\WINDOWS\TEMP\freebsd.exe.dat.
    * Creates file C:\WINDOWS\TEMP\linux.
    * Creates file C:\WINDOWS\TEMP\nsz8819.tmp.
    * Deletes file C:\WINDOWS\TEMP\nsz8819.tmp.
    * Creates directory C:\WINDOWS\TEMP\nsz8819.tmp.
    * Creates file C:\WINDOWS\TEMP\nsz8819.tmp\dcryptdll.dll.
    * Creates file C:\WINDOWS\TEMP\notepad.exe.
    * Creates file C:\WINDOWS\TEMP\calc.exe.
    * Creates file C:\WINDOWS\TEMP\freebsd.exe.
    * Creates file C:\WINDOWS\TEMP\nsz8819.tmp\nsExec.dll.
    * Creates file C:\WINDOWS\TEMP\nsz8819.tmp\ns8089.tmp.

[ Changes to registry ]
    * Accesses Registry key "HKCU\Software\VideoKey".
    * Accesses Registry key "HKLM\Software\Microsoft\Windows\CurrentVersion".
    * Accesses Registry key "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion".
    * Accesses Registry key "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Adapters".
* Accesses Registry key"HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Adapters\{047FC01A-7850-4432-B4B9-01C3D2714692}".
* Accesses Registry key"HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{047FC01A-7850-4432-B4B9-01C3D2714692}".
* Modifies value "NameServer"="85.255.115.61,85.255.112.113" in key"HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{047FC01A-7850-4432-B4B9-01C3D2714692}".
      
       Panda Antivirus                 Found  nothing
      
       Sophos Antivirus                 Found  nothing
      
       VirusBuster                 Found  nothing
      
       VBA32                 Found Downloader.Zlob.6, MalwareScope.Trojan.DnsChange.2, MalwareScope.Trojan.DnsChange.3 (probable variant)

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x
aerbeisi
发表于 2008-4-18 10:31:05 | 显示全部楼层

第三次脑残

[Found Trojan]         <W32/Trojan2.AIES (exact, not disinfectable)>        C:\test\xerocodec4049.rar->xerocodec4049.exe
挪威的冬天
发表于 2008-4-18 12:07:22 | 显示全部楼层
金山 0
allinwonderi
发表于 2008-4-18 13:25:53 | 显示全部楼层
TO AB
ballakay
发表于 2008-4-18 13:33:50 | 显示全部楼层
Scanning Report
18 April 2008 13:33:37 - 13:33:39
Computer name: PUMA-PC
Scanning type: Scan target
Target: C:\Users\Administrator\Desktop\xerocodec4049.rar


--------------------------------------------------------------------------------

Result: 1 malware found
Trojan.Win32.DNSChanger.arn (virus)
C:\Users\Administrator\Desktop\xerocodec4049.rar\xerocodec4049.exe




--------------------------------------------------------------------------------

Statistics
Scanned:
Files: 2
Not scanned: 0
Result:
Viruses: 1
Spyware: 0
Suspicious items: 0
Riskware: 0
Actions:
Disinfected: 0
Renamed: 0
Deleted: 0
Quarantined: 0
Failed: 0
Boot Sectors:
Scanned: 0
Infected: 0
Suspicious items: 0
Disinfected: 0


--------------------------------------------------------------------------------

Options
Definitions version:
Viruses: 2008-04-18_01
Spyware: 2008-04-18_01
Scanning Engines:
F-Secure AVP: 7.00.171, 2008-04-18
F-Secure Libra: 2.04.04, 2008-04-15
F-Secure Orion: 1.02.38, 2008-04-18
F-Secure Draco: 1.00.35, 2008-04-02
Scanning options:
Scan all files
Scan inside archives
Actions:
Viruses: Quarantine and delete
Spyware: Quarantine and delete
Nblock
发表于 2008-4-18 16:10:28 | 显示全部楼层
微点发现未知木马,是否删除?

程序:
E:\XEROCODEC4049.EXE
木马程序生成以下文件:
1) C:\DOCUMENTS AND SETTINGS\ADMINISTRATOR\LOCAL SETTINGS\TEMP\NSU13.TMP\DCRYPTDLL.DLL
2) C:\DOCUMENTS AND SETTINGS\ADMINISTRATOR\LOCAL SETTINGS\TEMP\CALC.EXE
3) C:\WINDOWS\SYSTEM32\KDLSV.EXE
4) C:\DOCUMENTS AND SETTINGS\ADMINISTRATOR\LOCAL SETTINGS\TEMP\NSU13.TMP\NSEXEC.DLL
是否删除木马程序及其衍生物?
BING126
头像被屏蔽
发表于 2008-4-18 22:02:04 | 显示全部楼层
McAfee  MISS
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