"赞美女神",这就是各大网站报道的"伪磁碟机专杀"(AVG报为VB.BRR),文件大小28Kb,公司信息"FREE",该病毒并不会盗取用户的私人信息,说它是病毒常用伎俩的演示程序更为贴切。
以下是反汇编字串:
00402651 PUSH Deity.00401DA8 UNICODE "Software\Microsoft\Windows\CurrentVersion\explorer\Advanced\Folder\Hidden\SHOWALL"
00402684 PUSH Deity.00401E50 UNICODE "CheckedValue" '禁止查看隐藏文件
00402721 PUSH Deity.00401E80 UNICODE "Software\Policies\Microsoft\MMC"
00402754 PUSH Deity.00401EC4 UNICODE "RestrictToPermittedSnapins" '禁用组策略
004027F1 PUSH Deity.00401F00 UNICODE "Software\Microsoft\Windows\CurrentVersion\Policies\Explorer"
00402824 PUSH Deity.00401F7C UNICODE "NoClose" '禁止使用开始菜单中的“关闭系统”
004028C1 PUSH Deity.00401F90 UNICODE "Software\Policies\Microsoft\Windows\System"
004028F4 PUSH Deity.00401FEC UNICODE "DisableCMD" '禁用命令解释器CMD
00402994 PUSH Deity.00401F00 UNICODE "Software\Microsoft\Windows\CurrentVersion\Policies\Explorer"
004029D7 PUSH Deity.00402008 UNICODE "NoViewContextMenu" '禁止显示右键菜单
00402A71 PUSH Deity.00401F00 UNICODE "Software\Microsoft\Windows\CurrentVersion\Policies\Explorer"
00402AA4 PUSH Deity.00402030 UNICODE "NoRun" '禁止使用开始菜单中的“关闭系统”
00402B41 PUSH Deity.00402058 UNICODE "Software\Microsoft\Windows\CurrentVersion\Policies\system"
00402B74 PUSH Deity.004020D0 UNICODE "DisableTaskMgr" '禁用任务管理器
00402C01 MOV EDX,Deity.004020F4 UNICODE "Test" '将txt文件作为Test文件打开
00402C1D MOV EDX,Deity.00402104 UNICODE "Test Application" 'Test文件类型描述为“Test Application”
00402CAC MOV EDX,Deity.00402134 UNICODE ".txt" '将txt文件关联到Test
00402CB6 MOV EDX,Deity.004020F4 UNICODE "Test"
00402D39 MOV EDX,Deity.004020F4 UNICODE "Test"
00402D43 MOV EDX,Deity.00402144 UNICODE "D:\\Deity.exe %1"
00402D9C PUSH Deity.0040216C UNICODE "shell\open\command" 'Test文件打开方式,调D:\\Deity.exe
00402F54 PUSH Deity.004021E0 UNICODE ".exe"
00402F9C PUSH Deity.00402210 UNICODE "Software\Microsoft\Windows\CurrentVersion\Run"
00402FDD PUSH Deity.00402270 UNICODE "myexe" '启动项键名 myexe
004031B1 PUSH Deity.004021E0 UNICODE ".exe" '启动项键值 App.Path\App.EXEName
004031F9 PUSH Deity.00402280 UNICODE "Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe"
0040323A PUSH Deity.00402330 UNICODE "Debugger" '劫持注册表编辑器regedit.exe定向到 App.Path\App.EXEName
004036D4 PUSH Deity.004021E0 UNICODE ".exe"
00403826 PUSH Deity.00402358 UNICODE "\killme.bat" 'Deity.exe同目录生成文件killme.bat,内容为“赞美女神,女神的容光将照耀世界”
004038A0 PUSH Deity.004023A4 UNICODE "e:\Deity.exe"
004038B6 PUSH Deity.004023C4 UNICODE "d:\Deity.exe" '在C、D、E分区生成Deity.exe并相互调用
004038CC PUSH Deity.004021F0 UNICODE "c:\Deity.exe"
该病毒运行后复制副本到CDE三个分区,并且立即挂起,这样造成恶性循环,最终导致系统资源耗尽,我想这个结果不一定是作者的本意。
鉴于此病毒仅仅通过诱骗用户下载的方式传播,危害很有限,因此本博不发布专杀工具,其手工查杀可以根据上述反汇编中的注释来进行。
PS:偶知道该病毒作者是谁,这里我就不点名了,另外在分析这个病毒的过程中,偶发现了某网站系统的上传漏洞,这个漏洞不错,偶以后考虑用来当作免费空间用,绝对是“国内免费高速全能空间”!哈哈~