Ransom.Win32.SAGE.GRC
A Variant Of Win32/Kryptik.FXNL (ESET-NOD32); HEUR:Trojan.Win32.Generic (KASPERSKY); Ransom:Win32/Sagecrypt!rfn (MICROSOFT)
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It connects to certain websites to send and receive information.
It encrypts files with specific file extensions. It drops files as ransom note.
TECHNICAL DETAILS
462,848 bytes
EXE
Yes
11 Jul 2019
Modifies system registry, Connects to URLs/IPs, Steals information
Arrival Details
This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Ransomware drops the following files:
- %Application Data%\{random characters}.tmp
- %User Temp%\{random characters}.bmp
- %User Temp%\{random characters}.vbs
- %Application Data\Microsoft\Speech\Files\UserLexicons\SP_{random characters}.dat
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It adds the following processes:
- {Malware Path} g
- wbadmin delete catalog -quiet
- wmic shadowcopy delete
- vssadmin.exe delete shadows /all /quiet
It adds the following mutexes to ensure that only one of its copies runs at any one time:
- {8 characters derived from Machine GUID}
It stays memory-resident by injecting codes into the following processes:
- explorer.exe
Autostart Technique
This Ransomware drops the following shortcut pointing to its copy in the User Startup folder to enable its automatic execution at every system startup:
- %User Startup%\{random filename}.lnk
(Note: %User Startup% is the current user's Startup folder, which is usually C:\Windows\Profiles\{user name}\Start Menu\Programs\Startup on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu\Programs\Startup on Windows NT, C:\Documents and Settings\{User name}\Start Menu\Programs\Startup on Windows 2003(32-bit), XP and 2000(32-bit), or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit), 10(64-bit).)
Other System Modifications
This Ransomware adds the following registry entries:
HKEY_LOCAL_MACHINE\Classes\.sage
"" = sage.notice
HKEY_LOCAL_MACHINE\Classes\sage.notice\
DefaultIcon
"" = %System%\shell32.dll, 47
HKEY_LOCAL_MACHINE\Classes\sage.notice\
FriendlyTypeName
"" = encrypted file
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
sage.notice\shell\open\
command
"" = mshta.exe "%Application Data\f1.hta" "%1"
HKEY_CURRENT_USER\Software\AppDataLow\
{random value 1}
{random value 2} = {random binary data}
HKEY_CURRENT_USER\Software\{random value 1}
{random value 2} = {random binary data}
HKEY_USERS\.DEFAULT\{random value 1}
{random value 2} = {random binary data}
HKEY_USERS\{Existing SID}\{random value 1}
{random value 2} = {random binary data}
It modifies the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
htafile\DefaultIcon
"" = %System%\shell32.dll, 44
(Note: The default value data of the said registry entry is %System%\mshta.exe, 1.)
It changes the desktop wallpaper by modifying the following registry entries:
HKCU\Control Panel\Desktop
Wallpaper = %User Temp%\{random characters}.bmp
It sets the system's desktop wallpaper to the following image:
Other Details
This Ransomware connects to the following website to send and receive information:
- {BLOCKED}bx3g.0ny42p.net
- {BLOCKED}bx3g.hp8ewo.net
It does the following:
- Terminates itself if the affected system's keyboard layout is any of the following:
- Belarusian
- Kazakh
- Ukranian
- Uzbek
- Sakha
- Russian
- Latvian
- Checks for the presence of the following antivirus and security applications:
- mcshield.exe
- bdagent.exe
- FortiESNAC.exe
- SAVAdminService.exe
- K7TSMngr.exe
- K7RTScan.exe
- AvastSvc.exe
- afwServ.exe
- K7EmlPxy.exe
- MCSVHOST.EXE
- a2guard.exe
- avkservice.exe
- Checks for the presence of the following antivirus and security services:
- fpavserver
- ZAPrivacyService
- GDScan
- fshoster
- windefend
- msmpsvc
- antivirservice
- MsMpEng
It adds the following scheduled tasks:
- Task Name: {Random characters}
Trigger: At user log on
Action: {Malware Path}
Ransomware Routine
This Ransomware encrypts files with the following extensions:
- .AAA
- .AAC
- .AAFDS
- .AAH
- .AB
- .ABA
- .ABC
- .ABD
- .ABK
- .ABT
- .ABW
- .AC
- .AC
- .ACA
- .ACC
- .ACCD
- .ACEZ
- .ACF
- .ACH
- .ACI
- .ACM
- .ACP
- .ACR
- .ACRO
- .ACRY
- .ACT
- .AD
- .ADA
- .ADB
- .ADC
- .ADP
- .ADPB
- .ADR
- .ADS
- .ADT
- .AEA
- .AEC
- .AEP
- .AEPX
- .AES
- .AET
- .AFDE
- .AFM
- .AFP
- .AGD
- .AGDL
- .AGE
- .AHF
- .AI
- .AIF
- .AIFF
- .AIM
- .AIP
- .AIS
- .AIT
- .ALA
- .ALAK
- .ALB
- .ALD
- .ALI
- .ALLE
- .ALT
- .AMF
- .AMJ
- .AML
- .AMR
- .AMT
- .AMU
- .AMX
- .AMXX
- .ANL
- .ANN
- .ANS
- .ANSR
- .ANX
- .AOI
- .AP
- .APA
- .APD
- .APE
- .APF
- .API
- .APJ
- .APK
- .APNX
- .APO
- .APP
- .APPR
- .APR
- .APT
- .APW
- .APXL
- .ARC
- .ARCH
- .ARFF
- .ARI
- .ARJ
- .ARO
- .ARR
- .ARS
- .ARV
- .ARW
- .AS
- .ASA
- .ASC
- .ASCM
- .ASCX
- .ASD
- .ASE
- .ASF
- .ASHX
- .ASK
- .ASL
- .ASM
- .ASMX
- .ASN
- .ASND
- .ASP
- .ASPX
- .ASR
- .ASSE
- .AST
- .ASV
- .ASVX
- .ASX
- .ASZ
- .ATH
- .ATI
- .ATL
- .ATOM
- .ATW
- .AUI
- .AUTO
- .AUX
- .AV
- .AVC
- .AVI
- .AVN
- .AVS
- .AWD
- .AWE
- .AWG
- .AWP
- .AWS
- .AWT
- .AWW
- .AWWP
- .AX
- .AZF
- .AZS
- .AZW
- .B
- .BAK
- .BAR
- .BAT
- .BAU
- .BAX
- .BAY
- .BBCD
- .BBL
- .BBPR
- .BBS
- .BC
- .BC
- .BCD
- .BCK
- .BCP
- .BD
- .BDB
- .BDP
- .BDR
- .BDT
- .BEAN
- .BFA
- .BGT
- .BIB
- .BIBGV
- .BIBT
- .BIC
- .BIF
- .BIG
- .BIK
- .BIL
- .BIN
- .BINA
- .BIZD
- .BJF
- .BJL
- .BK
- .BKF
- .BKG
- .BKP
- .BKS
- .BKUP
- .BLD
- .BLEN
- .BLG
- .BLK
- .BLM
- .BLOB
- .BLP
- .BMC
- .BMF
- .BMK
- .BML
- .BMM
- .BMML
- .BMP
- .BMPR
- .BNA
- .BNS
- .BOC
- .BOOK
- .BOP
- .BP
- .BPBP
- .BPDX
- .BPF
- .BPK
- .BPL
- .BPM
- .BPMC
- .BPS
- .BPW
- .BRD
- .BREA
- .BRH
- .BRL
- .BRS
- .BRW
- .BRX
- .BSA
- .BSK
- .BSO
- .BSP
- .BST
- .BTD
- .BTF
- .BTIF
- .BTOA
- .BTX
- .BURN
- .BVD
- .BWD
- .BWF
- .BWP
- .BXX
- .BZ
- .BZAB
- .C
- .CAB
- .CADOC
- .CAE
- .CAG
- .CAL
- .CALC
- .CAM
- .CAMP
- .CAMR
- .CAP
- .CAPT
- .CAR
- .CARO
- .CAS
- .CAT
- .CATP
- .CAWR
- .CBF
- .CBOR
- .CBR
- .CBU
- .CBZ
- .CC
- .CCC
- .CCD
- .CCF
- .CCH
- .CD
- .CD
- .CDC
- .CDD
- .CDDZ
- .CDF
- .CDI
- .CDK
- .CDL
- .CDM
- .CDML
- .CDMM
- .CDMZ
- .CDPZ
- .CDR
- .CDRW
- .CDS
- .CDT
- .CDTX
- .CDX
- .CDXM
- .CE
- .CEF
- .CER
- .CERT
- .CF
- .CFD
- .CFG
- .CFP
- .CFR
- .CGF
- .CGFI
- .CGI
- .CGM
- .CGN
- .CGP
- .CH
- .CHG
- .CHI
- .CHK
- .CHM
- .CHML
- .CHMP
- .CHP
- .CHPS
- .CHT
- .CHTM
- .CIB
- .CIDA
- .CIF
- .CIPO
- .CIV
- .CIVB
- .CLA
- .CLAM
- .CLAR
- .CLAS
- .CLB
- .CLD
- .CLK
- .CLKD
- .CLKT
- .CLP
- .CLR
- .CLS
- .CLX
- .CMD
- .CMF
- .CML
- .CMP
- .CMS
- .CMT
- .CMU
- .CMX
- .CNF
- .CNG
- .CNT
- .CNTK
- .CNV
- .COA
- .COD
- .COL
- .COMI
- .COMP
- .CON
- .CONF
- .CONT
- .CONV
- .CP
- .CPBD
- .CPC
- .CPD
- .CPDT
- .CPHD
- .CPI
- .CPIO
- .CPP
- .CPT
- .CPW
- .CPX
- .CPY
- .CR
- .CRAS
- .CRAW
- .CRB
- .CRD
- .CREO
- .CRI
- .CRJO
- .CRS
- .CRT
- .CRTR
- .CRW
- .CRWL
- .CRYP
- .CS
- .CSA
- .CSE
- .CSH
- .CSI
- .CSL
- .CSO
- .CSP
- .CSR
- .CSS
- .CST
- .CSV
- .CTBL
- .CTD
- .CTE
- .CTF
- .CTL
- .CTT
- .CTXT
- .CTY
- .CUE
- .CUR
- .CURR
- .CUS
- .CVJ
- .CVL
- .CVW
- .CW
- .CWF
- .CWK
- .CWN
- .CWR
- .CWS
- .CWWP
- .CYI
- .CYS
- .D
- .DA
- .DAC
- .DAG
- .DAL
- .DAP
- .DAS
- .DAT
- .DB
- .DBA
- .DBB
- .DBC
- .DBD
- .DBDB
- .DBF
- .DBX
- .DC
- .DCA
- .DCD
- .DCF
- .DCH
- .DCO
- .DCP
- .DCR
- .DCS
- .DCT
- .DCU
- .DDC
- .DDCX
- .DDD
- .DDIF
- .DDOC
- .DDRW
- .DDS
- .DEB
- .DEBI
- .DEC
- .DED
- .DEFA
- .DEFX
- .DEL
- .DEM
- .DER
- .DES
- .DESC
- .DESI
- .DESK
- .DET
- .DEU
- .DEV
- .DEX
- .DF
- .DFE
- .DFL
- .DFM
- .DFT
- .DFTI
- .DGC
- .DGM
- .DGPD
- .DGR
- .DGRH
- .DGS
- .DHE
- .DIC
- .DID
- .DIF
- .DII
- .JIF
- .JIFF
- .JNG
- .JNT
- .JOE
- .JP
- .JPC
- .JPE
- .JPEG
- .JPF
- .JPG
- .JPGX
- .JPIVA
- .JPM
- .JPW
- .JRF
- .JRL
- .JRPR
- .JS
- .JSD
- .JSON
- .JSP
- .JSPA
- .JSPX
- .JTD
- .JTDC
- .JTT
- .JTV
- .JTX
- .JUST
- .JW
- .JWL
- .JWW
- .K
- .KBD
- .RTX
- .RUM
- .RUN
- .RV
- .RVF
- .RVT
- .RW
- .RWL
- .RWLI
- .RWZ
- .RXDO
- .RZ
- .RZK
- .RZX
- .S
- .S
- .SAD
- .SAF
- .SAFE
- .SAJ
- .SAM
- .SAS
- .SAV
- .SAVE
- .SAY
- .SB
- .SBA
- .SBC
- .SBD
- .SBF
- .SBN
- .SBO
- .SC
- .SCD
- .SCDO
- .SCE
- .SCH
- .SCM
- .SCMT
- .SCN
- .SCR
- .SCRI
- .SCRI
- .SCS
- .SCT
- .SCW
- .SCX
- .SD
- .SDA
- .SDB
- .SDC
- .SDD
- .SDDR
- .SDF
- .SDI
- .SDL
- .SDMD
- .SDN
- .SDO
- .SDOC
- .SDP
- .SDR
- .SDS
- .SDT
- .SDV
- .SDW
- .SDY
- .SEAM
- .SEAR
- .SECU
- .SEF
- .SEL
- .SEN
- .SEQ
- .SEQU
- .SERV
- .SES
- .SET
- .SETU
- .SEV
- .SFF
- .SFS
- .SFX
- .SGF
- .SGI
- .SGL
- .SGM
- .SGML
- .SGZ
- .SHAR
- .SHB
- .SHLB
- .SHOW
- .SHR
- .SHS
- .SHTM
- .SHW
- .SHY
- .SIC
- .SID
- .SIE
- .SIK
- .SIS
- .SKG
- .SKY
- .SLA
- .SLDM
- .SLDX
- .SLF
- .SLK
- .SLM
- .SLP
- .SLT
- .SLZ
- .SM
- .SMD
- .SME
- .SMF
- .SMH
- .SMLX
- .SMN
- .SMP
- .SMS
- .SMWT
- .SMX
- .SMZ
- .SNB
- .SNF
- .SNG
- .SNK
- .SNP
- .SNT
- .SNX
- .SO
- .SOI
- .SP
- .SPB
- .SPD
- .SPDF
- .SPF
- .SPI
- .SPK
- .SPL
- .SPPT
- .SQL
- .SQX
- .SR
- .SRC
- .SRF
- .SRFL
- .SRS
- .SRT
- .SRW
- .SSA
- .SSG
- .SSH
- .SSI
- .SSIW
- .SSM
- .ST
- .STC
- .STD
- .STI
- .STM
- .STP
- .STPZ
- .STR
- .STRU
- .STT
- .STW
- .STY
- .SUD
- .SUF
- .SUM
- .SURF
- .SVD
- .SVDL
- .SVG
- .SVI
- .SVM
- .SVN
- .SVP
- .SVR
- .SVS
- .SWD
- .SWDO
- .SWEB
- .SWF
- .SWIT
- .SWP
- .SXC
- .SXD
- .SXE
- .SXG
- .SXI
- .SXL
- .SXM
- .SXML
- .SXW
- .SYN
- .SYNC
- .TA
- .TAB
- .TAH
- .TAR
- .TAX
- .TB
- .TBB
- .TBD
- .TBI
- .TBK
- .TBKX
- .TBZ
- .TCD
- .TCH
- .TCK
- .TCX
- .TDG
- .TDL
- .TDR
- .TEMP
- .TEXT
- .TEXT
- .TFD
- .TFM
- .TFR
- .TFRD
- .TFX
- .TG
- .TGA
- .TGZ
- .THM
- .THML
- .THMX
- .THR
- .TIB
- .TIBS
- .DBFV
- .DBK
- .DBR
- .DBS
- .DIM
- .DIME
- .DIP
- .DIR
- .DIRE
- .DISC
- .DISK
- .DIT
- .DIVX
- .DJV
- .DJVU
- .DK
- .DLC
- .DLG
- .DMAC
- .DMBK
- .DMG
- .DMP
- .DMTE
- .DMV
- .DNA
- .DNG
- .DNL
- .DOB
- .DOC
- .DOCB
- .DOCM
- .DOCX
- .DOK
- .DOT
- .DOTH
- .DOTM
- .DOTX
- .DOTX
- .DOX
- .DOXY
- .DOZ
- .DP
- .DPD
- .DPI
- .DPK
- .DPL
- .DPR
- .DR
- .DRD
- .DREA
- .DRF
- .DRM
- .DRMX
- .DRMZ
- .DRW
- .DS
- .DSB
- .DSC
- .DSD
- .DSDI
- .DSF
- .DSG
- .DSK
- .DSL
- .DSN
- .DSP
- .DSY
- .DTAU
- .DTD
- .DTL
- .DTM
- .DTML
- .DTP
- .DTX
- .DUMP
- .DVB
- .DVD
- .DVI
- .DVR
- .DVS
- .DVX
- .DVZ
- .DWD
- .DWDO
- .DWF
- .DWFX
- .DWG
- .DWLI
- .DWP
- .DWT
- .DXB
- .DXD
- .DXE
- .DXF
- .DXG
- .DXI
- .DXM
- .DXN
- .DXR
- .DXST
- .DZP
- .E
- .EASM
- .EBC
- .EBD
- .EBI
- .EBK
- .EBQ
- .EBS
- .EC
- .EC
- .ECC
- .ECR
- .EDB
- .EDD
- .EDF
- .EDL
- .EDML
- .EDN
- .EDOC
- .EDRW
- .EDT
- .EDZ
- .EFA
- .EFAX
- .EFF
- .EFL
- .EFM
- .TIF
- .TIFF
- .TJP
- .TK
- .TKR
- .TLB
- .TLD
- .TLG
- .TLT
- .TLX
- .TLZ
- .TM
- .TMB
- .TMD
- .TML
- .TMLA
- .TMP
- .TMV
- .TMZ
- .TNS
- .TOAST
- .TOC
- .TOM
- .TOPX
- .TOR
- .TORR
- .TOTA
- .TP
- .TPL
- .TPO
- .TPSD
- .TPU
- .TPX
- .TRAS
- .TRIF
- .TRM
- .TRN
- .TRP
- .TS
- .TTF
- .TUR
- .TUT
- .TVD
- .TWDI
- .TWDX
- .TXD
- .TXE
- .TXF
- .TXM
- .TXN
- .TXT
- .TXT
- .TXTR
- .U
- .UAX
- .UBZ
- .UCD
- .UDB
- .UDF
- .UDL
- .UEA
- .UHTM
- .UKR
- .ULF
- .ULI
- .ULYS
- .UMP
- .UMV
- .UMX
- .UNIT
- .UNR
- .UNX
- .UOF
- .UOP
- .UOS
- .UOT
- .UPDF
- .UPK
- .UPOI
- .UPP
- .URD
- .URF
- .URL
- .URP
- .USA
- .USX
- .UTC
- .UTD
- .UTE
- .UTF
- .UTI
- .UTM
- .UTS
- .UTUT
- .UTX
- .UU
- .UUD
- .UUE
- .UVX
- .UXX
- .V
- .VAL
- .VAUL
- .VBAD
- .VBD
- .VBK
- .VBOX
- .VBRB
- .VBS
- .VC
- .VCAL
- .VCD
- .VCE
- .VCF
- .VDF
- .VDI
- .VDO
- .VDOC
- .VDT
- .VER
- .VF
- .VFS
- .VHDX
- .VIEW
- .VIZ
- .VLC
- .VLT
- .VMB
- .VMBX
- .VMF
- .VMG
- .VMM
- .VMT
- .VMX
- .VMXF
- .VND
- .VOB
- .VOPR
- .VPK
- .VPL
- .VPP
- .VPVOR
- .VS
- .VSD
- .VSDX
- .VSF
- .VSI
- .VSPO
- .VST
- .VSTX
- .VTF
- .VTHO
- .VTV
- .VTX
- .VYP
- .VYR
- .WAB
- .WAC
- .WAD
- .WAFF
- .WALL
- .WAR
- .WAV
- .WAVE
- .WAW
- .WB
- .WBCA
- .WBK
- .WBT
- .WBXM
- .WBZ
- .WCF
- .WCL
- .WCN
- .WCP
- .WDBN
- .WDGT
- .WDL
- .WDN
- .WDOC
- .WDX
- .WEB
- .WEBD
- .WEBP
- .WEP
- .WFLX
- .WHT
- .WI
- .WIZ
- .WK
- .WKB
- .WKI
- .WKL
- .WKS
- .WLB
- .WLD
- .WLL
- .WLS
- .WLXM
- .WM
- .WMA
- .WMD
- .WPF
- .WPG
- .WPK
- .WPL
- .WPOS
- .WPS
- .WPT
- .WPW
- .WR
- .WRF
- .WRI
- .WRLK
- .WSD
- .WSF
- .WSH
- .WSP
- .WTBN
- .WTD
- .WTF
- .WTMP
- .WTP
- .WTS
- .WTT
- .WTV
- .WTX
- .WVW
- .WVX
- .WWCX
- .WWI
- .WWL
- .WWS
- .WWT
- .WXMX
- .WXP
- .WYN
- .WZN
- .WZS
- .X
- .XAA
- .XAMLX
- .XAR
- .XAV
- .XBD
- .XBRL
- .XCF
- .XCI
- .XDA
- .XDC
- .XDF
- .XDI
- .XDO
- .XDOC
- .XDW
- .XEQ
- .XF
- .XFD
- .XFDF
- .XFI
- .XFL
- .XFN
- .XFO
- .XFP
- .XFX
- .XGML
- .XHT
- .XHTM
- .XIF
- .XIG
- .XIS
- .XJF
- .XL
- .XLA
- .XLAM
- .XLB
- .XLC
- .XLE
- .XLF
- .XLIN
- .XLIS
- .XLK
- .XLL
- .XLM
- .XLNK
- .XLR
- .XLSE
- .XLSH
- .XLSL
- .XLST
- .XLSX
- .XLTH
- .XLV
- .XLW
- .XLWX
- .XMA
- .XMDF
- .XML
- .XMMA
- .XMN
- .XMP
- .XMS
- .XMT
- .XMTA
- .XPD
- .XPI
- .XPM
- .XPS
- .XPSE
- .XPT
- .XPWE
- .XQM
- .XQR
- .XQX
- .XRDM
- .XSC
- .XSD
- .XSIG
- .XSL
- .XSLT
- .XTBL
- .XTD
- .XTG
- .XTML
- .XTPS
- .XVG
- .XVID
- .XVL
- .XVX
- .XVXV
- .XWEB
- .XWF
- .XWP
- .XXE
- .XY
- .XYD
- .YAB
- .YCBC
- .YENC
- .YML
- .YNC
- .YPS
- .YUV
- .Z
- .ZAP
- .ZDB
- .ZIP
- .ZIPX
- .ZIX
- .ZKA
- .ZOO
- .ZPS
- .EFR
- .EFS
- .EFSL
- .EFTX
- .EFU
- .EFX
- .EGR
- .EGT
- .EHP
- .EIF
- .EIP
- .EKM
- .EL
- .ELD
- .ELF
- .ELFO
- .ELN
- .EMAI
- .EMC
- .EMD
- .EMF
- .EML
- .EMLX
- .EMM
- .EMP
- .ENC
- .ENCI
- .ENCR
- .ENFP
- .ENS
- .ENT
- .ENX
- .ENYD
- .EOB
- .EOT
- .EP
- .EPA
- .EPB
- .EPDF
- .EPF
- .EPK
- .EPRT
- .EPS
- .EPSF
- .EPT
- .EPUB
- .EQB
- .EQL
- .ERBS
- .ERD
- .ERE
- .ERF
- .ERR
- .ERT
- .ESC
- .ESD
- .ESES
- .ESF
- .ESK
- .ESM
- .ESP
- .ESS
- .ESV
- .ET
- .ETE
- .ETNG
- .ETNT
- .ETQ
- .ETX
- .EUC
- .EVO
- .EVY
- .EWL
- .EX
- .EXC
- .EXD
- .EXF
- .EXIF
- .EXP
- .EXPR
- .EXX
- .EYE
- .EZ
- .EZC
- .EZM
- .EZS
- .EZZ
- .F
- .FAC
- .FADE
- .FAE
- .FAQ
- .FAX
- .FBD
- .FBP
- .FBS
- .FCA
- .FCD
- .FCF
- .FCPA
- .FCPR
- .FCR
- .FCST
- .FD
- .FDB
- .FDF
- .FDOC
- .FDR
- .FDS
- .FDSE
- .FDW
- .FDX
- .FED
- .FEED
- .FEF
- .FF.
- .FFA
- .FFD
- .FFDA
- .FFF
- .FFL
- .FFO
- .FFT
- .FFX
- .FH
- .FHD
- .FIG
- .FIM
- .FIN
- .FJP
- .FL
- .FLA
- .FLAC
- .FLAG
- .FLAT
- .FLF
- .FLIB
- .FLKA
- .FLKB
- .FLM
- .FLP
- .FLS
- .FLT
- .FLTR
- .FLV
- .FLVV
- .FLX
- .FLY
- .FM
- .FMC
- .FMD
- .FMF
- .FML
- .FMP
- .FMV
- .FNF
- .FO
- .FODG
- .FODP
- .FODS
- .FODT
- .FOLI
- .FON
- .FOP
- .FOR
- .FORG
- .FOS
- .FOUN
- .FP
- .FPAG
- .FPDO
- .FPEN
- .FPHO
- .FPK
- .FPLI
- .FPP
- .FPT
- .FPX
- .FR
- .FRA
- .FRAG
- .FRDA
- .FRDO
- .FREE
- .FREL
- .FRM
- .FS
- .FSC
- .FSD
- .FSF
- .FSH
- .FSP
- .FSS
- .FT
- .FTIL
- .FTR
- .FUL
- .FWK
- .FWTE
- .FX
- .FXD
- .FXG
- .FXO
- .FXR
- .FXW
- .FYC
- .FZH
- .G
- .GA
- .GAFZIP
- .GAM
- .GAN
- .GBM
- .GBP
- .GCSX
- .GCT
- .GDB
- .GDC
- .GDOC
- .GED
- .GEM
- .GEV
- .GEVL
- .GFE
- .GFI
- .GFOR
- .GFX
- .GGB
- .GHE
- .GHO
- .GIF
- .GIL
- .GIW
- .GLIN
- .GLK
- .GLO
- .GLOS
- .GLY
- .GML
- .GMP
- .GNC
- .GND
- .GNO
- .GOFI
- .GP
- .GPC
- .GPD
- .GPF
- .GPG
- .GPN
- .GPX
- .GPZ
- .GRA
- .GRAD
- .GRAY
- .GREY
- .GRF
- .GRK
- .GRLE
- .GROU
- .GRY
- .GS
- .GSA
- .GSB
- .GSF
- .GSHE
- .GSLI
- .GSM
- .GTHR
- .GTO
- .GUI
- .GUL
- .GVI
- .GXK
- .GXL
- .GZIG
- .GZIP
- .H
- .HAML
- .HBK
- .HBL
- .HBX
- .HCL
- .HCW
- .HDA
- .HDD
- .HDL
- .HDT
- .HDX
- .HED
- .HELP
- .HEX
- .HFD
- .HFT
- .HHS
- .HIF
- .HKDB
- .HKX
- .HLF
- .HLP
- .HLX
- .HLZ
- .HM
- .HMSK
- .HND
- .HOI
- .HOT
- .HP
- .HPD
- .HPJ
- .HPLG
- .HPO
- .HPP
- .HPS
- .HPT
- .HPW
- .HQX
- .HRX
- .HS
- .HSM
- .HSR
- .HSX
- .HTM
- .HTML
- .HTMS
- .HTPA
- .HTS
- .HTZ
- .HVPL
- .HW
- .HWP
- .HWPM
- .HWT
- .HXE
- .HXI
- .HXQ
- .HXR
- .HXS
- .HYP
- .HYPE
- .I
- .IAB
- .IAF
- .IAL
- .IBAN
- .IBCD
- .IBD
- .IBK
- .IBZ
- .ICAL
- .ICAL
- .ICC
- .ICML
- .ICMT
- .ICO
- .ICS
- .ICST
- .ICXS
- .IDAP
- .IDC
- .IDD
- .IDL
- .IDP
- .IDX
- .IE
- .IFF
- .IFP
- .IGN
- .IGR
- .IHF
- .IHP
- .IIF
- .IIQ
- .IKS
- .ILA
- .ILDO
- .IMG
- .IMP
- .IMR
- .INCP
- .IND
- .INDB
- .INDD
- .INDP
- .INF
- .INFO
- .INI
- .INK
- .INLD
- .INLK
- .INP
- .INPR
- .INRS
- .INSS
- .INST
- .INSX
- .INT
- .INTE
- .INTU
- .INV
- .INX
- .IOCA
- .IOF
- .IPA
- .IPE
- .IPF
- .IPG
- .IPR
- .ISH
- .ISO
- .ISPX
- .ISQL
- .ISU
- .ISZ
- .ITDB
- .ITE
- .ITL
- .ITM
- .ITMZ
- .ITP
- .ITS
- .IVT
- .IW
- .IWA
- .IWD
- .IWI
- .IWPR
- .IWTP
- .IX
- .IXV
- .JAC
- .JAR
- .JAV
- .JAVA
- .JB
- .JBC
- .JBIG
- .JC
- .JDD
- .JFIF
- .JGE
- .JGZ
- .JHD
- .JIAF
- .JIAS
- .KBF
- .KC
- .KD
- .KDB
- .KDBX
- .KDC
- .KDE
- .KDF
- .KES
- .KEY
- .KEYN
- .KF
- .KFM
- .KFP
- .KID
- .KLQ
- .KLW
- .KMO
- .KMY
- .KMZ
- .KNT
- .KOS
- .KPDX
- .KPR
- .KSD
- .KSP
- .KSS
- .KSW
- .KUIP
- .KWD
- .KWM
- .KWP
- .LACC
- .LAST
- .LAT
- .LATE
- .LAX
- .LAY
- .LAYO
- .LBF
- .LBI
- .LBL
- .LCD
- .LCF
- .LCN
- .LDB
- .LDC
- .LDF
- .LDI
- .LDIF
- .LDR
- .LET
- .LFE
- .LGB
- .LGP
- .LHD
- .LHR
- .LIB
- .LIC
- .LID
- .LIN
- .LIT
- .LITE
- .LL
- .LLD
- .LLV
- .LMD
- .LMR
- .LNGT
- .LNK
- .LOCA
- .LOG
- .LOGO
- .LOK
- .LOT
- .LP
- .LPA
- .LPC
- .LPD
- .LPDF
- .LPLP
- .LPX
- .LRF
- .LS
- .LST
- .LTCX
- .LTM
- .LTR
- .LTX
- .LUA
- .LVD
- .LVIV
- .LVL
- .LVW
- .LWD
- .LWO
- .LWP
- .LYX
- .LZGZ
- .M
- .MA
- .MAB
- .MAC
- .MACAM
- .MAG
- .MAKE
- .MAN
- .MANU
- .MAP
- .MAPI
- .MAR
- .MARC
- .MARK
- .MARS
- .MASS
- .MAX
- .MAXF
- .MAXM
- .MBBK
- .MBOX
- .MBSB
- .MBX
- .MC
- .MC
- .MCD
- .MCDX
- .MCF
- .MCGA
- .MCRP
- .MCW
- .MD
- .MDA
- .MDB
- .MDBA
- .MDBH
- .MDC
- .MDCC
- .MDDA
- .MDF
- .MDG
- .MDI
- .MDK
- .MDL
- .MDN
- .MDS
- .ME
- .MECO
- .MED
- .MEF
- .MEH
- .MELL
- .MELL
- .MEM
- .MENU
- .MEO
- .MET
- .META
- .MF
- .MFA
- .MFL
- .MFP
- .MFW
- .MGA
- .MGMT
- .MGOU
- .MHP
- .MHT
- .MI
- .MIC
- .MID
- .MIF
- .MIM
- .MIME
- .MIND
- .MIP
- .MISS
- .MIX
- .MJD
- .MJDO
- .MKE
- .MKV
- .ML
- .ML
- .MLA
- .MLB
- .MLC
- .MLJ
- .MLM
- .MLS
- .MLSX
- .MLX
- .MMAP
- .MMB
- .MMC
- .MMD
- .MME
- .MMHTE
- .MMJS
- .MML
- .MMO
- .MN
- .MNE
- .MNP
- .MNY
- .MOBI
- .MOD
- .MOM
- .MONE
- .MONE
- .MOS
- .MOV
- .MOVI
- .MOZ
- .MOZE
- .MP
- .MPA
- .MPE
- .MPEG
- .MPF
- .MPG
- .MPH
- .MPJ
- .MPQ
- .MPQG
- .MPR
- .MPT
- .MPV
- .MQL
- .MRD
- .MRIM
- .MRQ
- .MRU
- .MRW
- .MRWR
- .MS
- .MS
- .MSB
- .MSD
- .MSE
- .MSF
- .MSG
- .MSHC
- .MSI
- .MSIE
- .MSL
- .MSO
- .MSOR
- .MSP
- .MSQ
- .MST
- .MSW
- .MSW
- .MSWD
- .MTDD
- .MTML
- .MTO
- .MTP
- .MTS
- .MTX
- .MUG
- .MUI
- .MVD
- .MVDX
- .MVEX
- .MWD
- .MWI
- .MWII
- .MWPD
- .MWPP
- .MWS
- .MX
- .MXD
- .MXG
- .MXP
- .MYD
- .MYDO
- .MYE
- .MYI
- .MYOX
- .MZ
- .N
- .NAP
- .NARRN
- .NAV
- .NAVM
- .NB
- .NBAK
- .NBF
- .NBP
- .NCD
- .NCF
- .NDD
- .NDF
- .NDL
- .NDR
- .NDS
- .NEF
- .NENE
- .NFO
- .NFS
- .NG
- .NJX
- .NK
- .NMBT
- .NMU
- .NNI
- .NOKO
- .NOP
- .NOTE
- .NOW
- .NPC
- .NPD
- .NPDF
- .NPF
- .NPP
- .NPT
- .NRBA
- .NRG
- .NRI
- .NRL
- .NRML
- .NRW
- .NS
- .NSD
- .NSF
- .NSG
- .NSH
- .NST
- .NTF
- .NTL
- .NTP
- .NTS
- .NUMB
- .NV
- .NV
- .NVD
- .NVDL
- .NVRA
- .NXL
- .NYF
- .OAB
- .OAD
- .OAOA
- .OAS
- .OBD
- .OBI
- .OBJ
- .OBK
- .OBR
- .OBT
- .OBX
- .OBZ
- .OCDC
- .OCR
- .OCS
- .ODA
- .ODB
- .ODC
- .ODCC
- .ODF
- .ODG
- .ODH
- .ODI
- .ODIF
- .ODM
- .ODO
- .ODP
- .ODS
- .ODT
- .ODTT
- .ODZ
- .OET
- .OFC
- .OFFI
- .OFN
- .OFT
- .OFX
- .OGA
- .OGC
- .OGG
- .OIL
- .OJZ
- .OKM
- .OLD
- .OLE
- .OLF
- .OLV
- .OLY
- .OMF
- .OMLO
- .OMP
- .ONB
- .ONE
- .OOS
- .OOT
- .OPD
- .OPF
- .OPJ
- .OPLX
- .OPN
- .OPT
- .OPX
- .OPXS
- .ORF
- .ORT
- .OSD
- .OSDX
- .OST
- .OTC
- .OTF
- .OTG
- .OTH
- .OTI
- .OTN
- .OTP
- .OTS
- .OTT
- .OTW
- .OUT
- .OVD
- .OWL
- .OXPS
- .OXT
- .P
- .PAB
- .PACK
- .PAD
- .PAGE
- .PAK
- .PAQ
- .PAS
- .PAT
- .PAUX
- .PAVC
- .PBD
- .PBF
- .PBK
- .PBP
- .PBR
- .PBS
- .PBX
- .PBXS
- .PCD
- .PCF
- .PCI
- .PCJ
- .PCT
- .PCV
- .PCW
- .PCX
- .PD
- .PDB
- .PDD
- .PDFZ
- .PDG
- .PDP
- .PDZ
- .PE
- .PEB
- .PEF
- .PEM
- .PER
- .PEZ
- .PF
- .PFB
- .PFC
- .PFD
- .PFI
- .PFL
- .PFM
- .PFSX
- .PFT
- .PFX
- .PG
- .PGS
- .PHP
- .PHR
- .PHS
- .PIC
- .PIH
- .PKB
- .PKEY
- .PKG
- .PKH
- .PKPA
- .PKPJ
- .PL
- .PLAN
- .PLB
- .PLC
- .PLD
- .PLI
- .PLN
- .PLT
- .PLUS
- .PMA
- .PMD
- .PMT
- .PMV
- .PMX
- .PNG
- .PNS
- .PNU
- .PO
- .POD
- .POOL
- .POR
- .POT
- .POTH
- .POTM
- .POTX
- .PP
- .PPAM
- .PPD
- .PPDF
- .PPF
- .PPJ
- .PPS
- .PPSM
- .PPSX
- .PPT
- .PPTF
- .PPTM
- .PPTX
- .PPX
- .PR
- .PRC
- .PRD
- .PREF
- .PREL
- .PRF
- .PRJ
- .PRN
- .PRO
- .PRR
- .PRS
- .PRT
- .PRTC
- .PRV
- .PS
- .PSA
- .PSAF
- .PSB
- .PSD
- .PSE
- .PSF
- .PSG
- .PSI
- .PSIP
- .PSK
- .PSM
- .PSMD
- .PSP
- .PSPI
- .PSPS
- .PST
- .PSW
- .PSWX
- .PSZ
- .PTB
- .PTC
- .PTDB
- .PTF
- .PTH
- .PTK
- .PTN
- .PTPT
- .PTS
- .PTX
- .PUB
- .PUZ
- .PVC
- .PVD
- .PVE
- .PVF
- .PVHD
- .PW
- .PWD
- .PWE
- .PWF
- .PWI
- .PWM
- .PWP
- .PWRE
- .PXA
- .PXD
- .PXL
- .PXP
- .PY
- .PYS
- .PZC
- .PZF
- .PZT
- .QBA
- .QBB
- .QBI
- .QBK
- .QBL
- .QBM
- .QBMB
- .QBMDQ
- .QBO
- .QBP
- .QBQ
- .QBR
- .QBW
- .QBX
- .QBY
- .QBZ
- .QCH
- .QCOW
- .QCT
- .QDF
- .QDFX
- .QDT
- .QED
- .QEL
- .QEM
- .QFI
- .QFL
- .QFX
- .QFXX
- .QHP
- .QHT
- .QHTM
- .QIC
- .QIF
- .QIX
- .QLGE
- .QME
- .QML
- .QMT
- .QMTF
- .QNX
- .QOB
- .QPB
- .QPD
- .QPG
- .QPH
- .QPI
- .QPX
- .QRT
- .QSD
- .QSM
- .QSS
- .QST
- .QT
- .QTQ
- .QTR
- .QTW
- .QTX
- .QUIC
- .QUO
- .QUOX
- .QVW
- .QW
- .QWC
- .QWD
- .QWMO
- .QWT
- .QXB
- .QXD
- .QXF
- .QXL
- .QXP
- .QXT
- .R
- .RA
- .RAF
- .RAM
- .RAMD
- .RAP
- .RAR
- .RAT
- .RAW
- .RAZY
- .RBC
- .RCB
- .RCS
- .RDA
- .RDB
- .RDF
- .RDFS
- .RDI
- .RDO
- .RDOC
- .RDRD
- .RDY
- .REB
- .REC
- .RELS
- .RERDZ
- .RES
- .RESX
- .REV
- .RFRF
- .RFT
- .RGN
- .RGO
- .RGSS
- .RHA
- .RHIF
- .RIF
- .RIM
- .RIT
- .RLF
- .RLL
- .RMD
- .RMF
- .RMH
- .RMRM
- .RNA
- .RNG
- .RNT
- .ROFL
- .ROI
- .RORNW
- .ROS
- .ROV
- .ROW
- .ROX
- .RPF
- .RPT
- .RRD
- .RRPA
- .RRPT
- .RRT
- .RRX
- .RS
- .RSDF
- .RSDO
- .RSM
- .RSP
- .RSRC
- .RSS
- .RST
- .RT
- .RTDF
- .RTE
- .RTF
- .RTFD
- .RTK
- .RTP
- .RTPI
- .RTRSW
- .RTS
- .RTSL
- .RTSX
- .WMDB
- .WMF
- .WMGA
- .WMK
- .WML
- .WMLC
- .WMMP
- .WMO
- .WMS
- .WMV
- .WPA
- .WPC
- .WPD
- .WPE
It avoids encrypting files with the following strings in their file path:
- thumbs.db
- desktop.ini
- ntuser.dat
- ntuser.ini
- ntuser.dat.log
- autoexec.bat
- boot.ini
- index.dat
- BOOTSECT.BAK
- system.ini
- $getcurrent
- $.Recycle.Bin
- $windows.~bt
- $windows.~ws
- All Users
- all users
- Boot
- cache2
- Content.IE5
- Cookies
- default user
- DRIVER
- DRIVERS
- DriverStore
- GAC_32
- GAC_MSIL
- Games
- GOG Games
- History.IE5
- httpcache
- intelintel
- League of Legends
- local settings
- localservice
- Microsoft
- msocache
- My Games
- networkservice
- node_modules
- nvidia
- perflogs
- Program Files (x86)
- Program Files
- recovery
- recycled
- recycler
- Sample Media
- Sample Music
- Sample Pictures
- Sample Videos
- steamapps
- System Volume Information
- System32
- Temp
- Templates
- tmp
- tor browser
- Windows.old
- windows10upgrade
- Windows
- winnt
- WinSxS
- Package Cache
- Chrome
- Bitdefender
- cache
- LocalLow
It appends the following extension to the file name of the encrypted files:
- .sage
It drops the following file(s) as ransom note:
- %Application Data%\f1.hta
- {Encrypted directory}\!HELP_SOS.hta
NOTES:
Enabling Volume Shadow Service
- Run the command prompt (cmd.exe) as administrator.
- Enable Volume Shadow Service by typing the following command: net start vss
Restoring Backup Catalog
- Run the command prompt (cmd.exe) as administrator.
- Restore backup catalog using the following command: wbadmin restore catalog.
SOLUTION
9.850
15.228.04
11 Jul 2019
15.229.00
12 Jul 2019
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Restart in Safe Mode
Step 4
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CURRENT_USER\Software\AppDataLow\{random value 1}
- {random value 2} = {random binary data}
- {random value 2} = {random binary data}
- In HKEY_CURRENT_USER\Software\{random value 1}
- {random value 2} = {random binary data}
- {random value 2} = {random binary data}
- In HKEY_USERS\.DEFAULT\Software\AppDataLow\{random value 1}
- {random value 2} = {random binary data}
- {random value 2} = {random binary data}
- In HKEY_USERS\.DEFAULT\Software\{random value 1}
- {random value 2} = {random binary data}
- {random value 2} = {random binary data}
- In HKEY_USERS\{Existing SID}\Software\AppDataLow\{random value 1}
- {random value 2} = {random binary data}
- {random value 2} = {random binary data}
- In HKEY_USERS\{Existing SID}\Software\{random value 1}
- {random value 2} = {random binary data}
- {random value 2} = {random binary data}
Step 5
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes
- sage
- sage
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes
- sage.notice
- sage.notice
Step 6
Search and delete these files
- %Application Data%\f1.hta
- %Application Data%\{random characters}.tmp
- %User Temp%\{random chatacters}.bmp
- %User Temp%\{random characters}.vbs
- %User Startup%\{random characters}.lnk
- %Application Data\Microsoft\Speech\Files\UserLexicons\SP_{random characters}.dat
- {Encrypted directory}\!HELP_SOS.hta
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as Ransom.Win32.SAGE.GRC. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 8
Reset your Desktop properties
Step 9
Restore encrypted files from backup.
Step 10
Scan your computer with your Trend Micro product to delete files detected as Ransom.Win32.SAGE.GRC. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
Did this description help? Tell us how we did.