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病毒:TR/Dldr.Darkmegi.A
发现日期:13/12/2012
类型:特洛伊木马
子类型:Downloader
广泛传播:
病毒传播个案呈报:低程度
感染/传播能力:低程度
破坏 / 损害程度:低程度至中程度
文件大小:73728 字节
MD5 校检和:b3e7cab2ea9b8ee085214a9f52661297
VDF 版本:7.11.53.216 - donderdag 13 december 2012
IVDF 版本:7.11.53.216 - donderdag 13 december 2012

 况概描述 传播方法:
   • 无内置传播例程


别名:
   •  Kaspersky: Trojan-Spy.Win32.Agent.bxix
   •  DrWeb: Trojan.PWS.Gamania.34873


平台/操作系统:
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7
   • 植入文件
   • 植入恶意文件
   • 注册表修改

 文件 创建以下文件:

– %SYSDIR%\drivers\com32.sys 成功创建后,它会被执行。 进一步的调查表明,此文件是恶意软件。 检测为: RKIT/Darkmegi.A

– %SYSDIR%\del043.bat 成功创建后,它会被执行。 此批处理文件用于删除文件。

 注册表 会添加以下注册表项目注册值:

– [HKLM\SYSTEM\ControlSet001\Enum\Root\LEGACY_COM32]
   • ""=""

– [HKLM\SYSTEM\ControlSet001\Enum\Root\LEGACY_COM32\0000]
   • ""=""
   • "Class"="LegacyDriver"
   • "ClassGUID"="{8ECC055D-047F-11D1-A537-0000F8753ED1}"
   • "ConfigFlags"="dword:0x00000000"

– [HKLM\SYSTEM\ControlSet001\Enum\Root\LEGACY_COM32\0000\Control]
   • ""=""
   • "*NewlyCreated*"="dword:0x00000000"
   • "ActiveService"="Com32"

– [HKLM\SYSTEM\ControlSet001\Enum\Root\LEGACY_COM32\0000]
   • "DeviceDesc"="Com32"
   • "Legacy"="dword:0x00000001"
   • "Service"="Com32"

– [HKLM\SYSTEM\ControlSet001\Enum\Root\LEGACY_COM32]
   • "NextInstance"="dword:0x00000001"

– [HKLM\SYSTEM\ControlSet001\Services\Com32]
   • ""=""
   • "DisplayName"="Com32"

– [HKLM\SYSTEM\ControlSet001\Services\Com32\Enum]
   • ""=""
   • "0"="Root\LEGACY_COM32\0000"
   • "Count"="dword:0x00000001"
   • "NextInstance"="dword:0x00000001"

– [HKLM\SYSTEM\ControlSet001\Services\Com32]
   • "ErrorControl"="dword:0x00000001"
   • "ImagePath"="System32\drivers\com32.sys"

– [HKLM\SYSTEM\ControlSet001\Services\Com32\Security]
   • ""=""
   • "Security"="hex:01,00,14,80,90,00,00,00,9c,00,00,00,14,00,00,00,30,00,00,00,02,\
   • ,00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,\
   • ,00,00,01,00,00,00,00,02,00,60,00,04,00,00,00,00,00,14,00,fd,\
   • ,01,02,00,01,01,00,00,00,00,00,05,12,00,00,00,00,00,18,00,ff,\
   • ,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,20,02,00,00,00,\
   • ,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,05,0b,00,00,00,00,\
   • ,00,18,00,fd,01,02,00,01,02,00,00,00,00,00,05,20,00,00,00,23,\
   • ,02,00,00,01,01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,\
   • ,00,00,05,12,00,00,00"

– [HKLM\SYSTEM\ControlSet001\Services\Com32]
   • "Start"="dword:0x00000001"
   • "Type"="dword:0x00000001"

– [HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_COM32]
   • ""=""

– [HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_COM32\0000]
   • ""=""
   • "Class"="LegacyDriver"
   • "ClassGUID"="{8ECC055D-047F-11D1-A537-0000F8753ED1}"
   • "ConfigFlags"="dword:0x00000000"

– [HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_COM32\0000\Control]
   • ""=""
   • "*NewlyCreated*"="dword:0x00000000"
   • "ActiveService"="Com32"

– [HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_COM32\0000]
   • "DeviceDesc"="Com32"
   • "Legacy"="dword:0x00000001"
   • "Service"="Com32"

– [HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_COM32]
   • "NextInstance"="dword:0x00000001"

– [HKLM\SYSTEM\CurrentControlSet\Services\Com32]
   • ""=""
   • "DisplayName"="Com32"

– [HKLM\SYSTEM\CurrentControlSet\Services\Com32\Enum]
   • ""=""
   • "0"="Root\LEGACY_COM32\0000"
   • "Count"="dword:0x00000001"
   • "NextInstance"="dword:0x00000001"

– [HKLM\SYSTEM\CurrentControlSet\Services\Com32]
   • "ErrorControl"="dword:0x00000001"
   • "ImagePath"="System32\drivers\com32.sys"

– [HKLM\SYSTEM\CurrentControlSet\Services\Com32\Security]
   • ""=""
   • "Security"="hex:01,00,14,80,90,00,00,00,9c,00,00,00,14,00,00,00,30,00,00,00,02,\
   • ,00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,\
   • ,00,00,01,00,00,00,00,02,00,60,00,04,00,00,00,00,00,14,00,fd,\
   • ,01,02,00,01,01,00,00,00,00,00,05,12,00,00,00,00,00,18,00,ff,\
   • ,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,20,02,00,00,00,\
   • ,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,05,0b,00,00,00,00,\
   • ,00,18,00,fd,01,02,00,01,02,00,00,00,00,00,05,20,00,00,00,23,\
   • ,02,00,00,01,01,00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,\
   • ,00,00,05,12,00,00,00"

– [HKLM\SYSTEM\CurrentControlSet\Services\Com32]
   • "Start"="dword:0x00000001"
   • "Type"="dword:0x00000001"

 其他 字符串:
此外,它还包含以下字符串:
   • \com32.dll
   • %s\userinit.exe
   • %s\FileDisk.sys
   • FileDisk
   • program files\Internet Explorer\IEXPLORE.EXE
   • %s\rundll32.exe %s\com32.dll GetInterface
   • %s\%X.bak
   • %s\com32.dll
   • Com32
   • System32\drivers\com32.sys
   • %s\drivers\com32.sys
   • userinit.exe
   • \explorer.exe
   • ipconfig.exe
   • \Device\FileDisk\FileDisk%u
   • Z:\
   • \del043.bat
   • \\.\NpcDark
   • Remon.exe
   • IRPro.exe
   • SpStart.exe
   • SeDebugPrivilege

Beschrijving ingevoegd door Martin Muench op maandag 30 januari 2012
Beschrijving bijgewerkt door Martin Muench op maandag 30 januari 2012

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