分析者: Kim Cyrus Folloso   
 :

Ransom:Win32/RTMLocker.AA!MTB

 平台:

Windows

 总体风险等级:
 潜在破坏:
 潜在分布:
 感染次数:
 信息暴露:

  • 恶意软件类型:
    Ransomware

  • 有破坏性？:
    没有

  • 加密？:
     

  • In the Wild:
    是的

  概要

感染途徑: ???????, ?????????

它以文件的形式出现在系统中，可能是其他恶意软件投放的，或者是用户在访问恶意网站时无意中下载的。

  技术详细信息

文件大小: 282,624 bytes
报告日期: EXE
内存驻留: 没有
Payload: ???????, ????/???
N

???????

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

??

???????:

  • %User Temp%\img{3 Random Characters}.tmp

(??: %User Temp% ?????? Temp ???????? C:\Documents and Settings\{user name}\Local Settings\Temp (Windows 2000(32-bit)?XP ? Server 2003(32-bit))?C:\Users\{user name}\AppData\Local\Temp (Windows Vista?7?8?8.1?2008(64-bit)?2012(64-bit) ? 10(64-bit)?)

???????:

  • %System%\cmd.exe" /c PING -n 5 127.0.0.1 > NUL && del "{Malware Full Path}" ? deletes itself

(??: %System% ? Windows ? system ???,???? C:\Windows\System (Windows 98 ? ME)?C:\WINNT\System32 (Windows NT ? 2000) ? C:\WINDOWS\system32 (Windows 2000(32-bit)?XP?Server 2003(32-bit)?Vista?7?8?8.1?2008(64-bit),2012(64bit) ? 10(64-bit))?)

??????

???????????,??????:

HKEY_CURRENT_USER\Control Panel\Desktop
Wallpaper = %User Temp%\img{3 Random Characters}.tmp

????

??????????????????:

  • vss
  • sql
  • svc$
  • memtas
  • mepocs
  • sophos
  • veeam
  • backup
  • GxVss
  • GxBlr
  • GxFWD
  • GxCVD
  • GxCIMgr
  • DefWatch
  • ccEvtMgr
  • ccSetMgr
  • SavRoam
  • RTVscan
  • QBFCService
  • QBIDPService
  • Intuit
  • QuickBooks
  • FCS
  • QBCFMonitorService
  • YooBackup
  • YooIT
  • zhudongfangyu
  • stc_raw_agent
  • VSNAPVSS
  • VeeamTransportSvc
  • VeeamDeploymentService
  • VeeamNFSSvc
  • PDVFSService
  • BackupExecVSSProvider
  • BackupExecAgentAccelerator
  • BackupExecAgentBrowser
  • BackupExecDiveciMediaService
  • BackupExecJobEngine
  • BackupExecManagementService
  • BackupExecRPCService
  • AcrSch2Svc
  • AcronisAgent
  • CASAD2DWebSvc
  • CAARCUpdateSvc

????????????????????:

  • sql.exe
  • oracle.exe
  • ocssd.exe.
  • dbsnmp.exe
  • synctime.exe
  • agntsvc.exe
  • isqlplussvc.exe
  • xfssvccon.exe
  • mydesktopservice.exe
  • ocautoupds.exe
  • encsvc.exe
  • firefox.exe
  • tbirdconfig.exe
  • mydesktopqos.exe
  • ocomm.exe
  • dbeng50.exe
  • sqbcoreservice.exe
  • excel.exe
  • infopath.exe
  • msaccess.exe
  • mspub.exe
  • onenote.exe
  • outlook.exe
  • powerpnt.exe
  • steam.exe
  • thebat.exe
  • thunderbird.exe
  • visio.exe
  • winword.exe
  • wordpad.exe
  • notepad.exe

??????

?????????:

  • It encrypts all available drives except CDROM
  • It does not encrypt files with filesize below 512 Bytes
  • It can only encrypt up to 8000 bytes of content only
  • Empties Recycle Bin
  • If not executed with admins rights, it will relaunch itself as admin using this command:
    • %System%\cmd.exe /c ECHO “You must restart the program to resolve a critical error” && start”” ” %System Root%\{Malware Full path}.exe”
  • Clear event logs for the following:
    • System
    • Application
    • Security

(??: %System Root% ?????,???? C:\??????????????)

  解决方案

最小扫描引擎: 9.800
First VSAPI Pattern File: 18.404.05
VSAPI 第一样式发布日期: 2023年4月24日
VSAPI OPR样式版本: 18.405.00
VSAPI OPR样式发布日期: 2023年4月25日

Step 2

??Windows ME?XP??,????,????????????,??????????

Step 3

注意：在此恶意软件/间谍软件/灰色软件执行期间，并非所有文件、文件夹和注册表键值和项都会安装到您的计算机上。这可能是由于不完整的安装或其他操作系统条件所致。如果您没有找到相同的文件/文件夹/注册表信息，请继续进行下一步操作。

Step 4

????????

[ 更多 ]
??????????????????????????????????????,??????????????????
  • %User Temp%\img{3 Random Characters.tmp}
  • {Encrypted directory}\How To Restore Your Files.txt

Step 5

??????

[ 更多 ]

Step 6

从备份中恢复加密文件。

Step 7

????????,?????????????,??Ransom.Win32.RTMCOMMAND.THKBFBD?? ????????????????????????,????????????????????????????????????????