RANSOM_HYDRA.AM
Ransom:Win32/Tobfy.X (Microsoft); Trojan.Win32.Agentb.brhr (Kaspersky); Trojan.Cryptolocker.AE (Symantec)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
167,936 bytes
EXE
Yes
04 Feb 2016
Encrypts files, Connects to URLs/IPs, Downloads files
Arrival Details
This Trojan 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 Trojan drops the following files:
- %User Profile%\My Documents\README_DECRYPT_HYDRA_ID_{random ID}.jpg
- %User Profile%\My Documents\README_DECRYPT_HYDRA_ID_{random ID}.txt
- {encrypted file path}\{original filename}.hydracrypttmp_ID_{random ID} -> deleted after encrypting the target file
- %Desktop%\README_DECRYPT_HYDRA_ID_{random ID}.txt
- %Desktop%\README_DECRYPT_HYDRA_ID_{random ID}.jpg
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %Desktop% is the desktop folder, where it usually is C:\Documents and Settings\{user name}\Desktop in Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\Desktop in Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
It creates the following folders:
- %Application Data%\ChromeSetings3264
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
ChromeSettingsStart3264 = "%Application Data%\ChromeSetings3264\{random filename}.exe"
Other System Modifications
This Trojan adds the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\
Windows
ChromeRandomAdress3264 = {random filename}.exe
HKEY_CURRENT_USER\Software\Microsoft\
Windows
ChromeSettiings3264 = {path of the executed malware}\{malware filename}.exe
HKEY_CURRENT_USER\Software\Microsoft\
Windows
ChromeStarts3264 = {path of the executed malware}\{malware filename}.exe
HKEY_CURRENT_USER\Software\Microsoft\
Windows
MicrosoftUpd32 = {random}
Download Routine
This Trojan saves the files it downloads using the following names:
- %Application Data%\ChromeSetings3264\{random filename}.exe
- %Application Data%\ChromeSetings3264\{random filename}.jpg
(Note: %Application Data% is the Application Data folder, where it usually is C:\Documents and Settings\{user name}\Application Data on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)
Other Details
This Trojan connects to the following URL(s) to check for an Internet connection:
- http://www.google.com
It connects to the following possibly malicious URL:
- http://{BLOCKED}s-softprotect.eu/img.jpg
It encrypts files with the following extensions:
- .3dm
- .3ds
- .3g2
- .3gp
- .7z
- .ab4
- .accdb
- .accde
- .accdr
- .accdt
- .ach
- .act
- .adb
- .ads
- .ai
- .ait
- .al
- .apj
- .arw
- .asf
- .asm
- .asp
- .asx
- .avi
- .back
- .bank
- .bay
- .bgt
- .bik
- .bkf
- .bkp
- .blend
- .bpw
- .c
- .cdb
- .cdf
- .cdr
- .cdx
- .ce1
- .ce2
- .cer
- .cfp
- .cgm
- .class
- .cls
- .cmt
- .cnv
- .cpi
- .cpp
- .cr2
- .craw
- .crt
- .crw
- .cs
- .csh
- .csl
- .csv
- .dac
- .db
- .db3
- .dbf
- .dbr
- .dbs
- .dc2
- .dcr
- .dcs
- .dcx
- .ddd
- .ddoc
- .dds
- .der
- .des
- .design
- .dgc
- .djvu
- .dng
- .doc
- .docm
- .docx
- .dot
- .dotm
- .dotx
- .drf
- .drw
- .dtd
- .dwg
- .dxb
- .dxf
- .dxg
- .ebd
- .edb
- .eml
- .eps
- .erf
- .exf
- .fdb
- .ffd
- .fff
- .fh
- .fhd
- .fla
- .flac
- .flv
- .fm
- .fp7
- .fpx
- .fxg
- .gdb
- .gray
- .grey
- .grw
- .gry
- .h
- .hbk
- .hpp
- .ibd
- .idx
- .iif
- .indd
- .java
- .jpe
- .jpeg
- .jpg
- .kdbx
- .kdc
- .key
- .laccdb
- .lua
- .m
- .m4v
- .maf
- .mam
- .maq
- .mar
- .maw
- .max
- .mdb
- .mdc
- .mde
- .mdf
- .mdt
- .mef
- .mfw
- .mmw
- .mos
- .mov
- .mp3
- .mp4
- .mpg
- .mpp
- .mrw
- .mso
- .myd
- .ndd
- .nef
- .nk2
- .nrw
- .ns2
- .ns3
- .ns4
- .nsd
- .nsf
- .nsg
- .nsh
- .nwb
- .nx1
- .nx2
- .nyf
- .obj
- .odb
- .odc
- .odf
- .odg
- .odm
- .odp
- .ods
- .odt
- .oil
- .one
- .orf
- .otg
- .oth
- .otp
- .ots
- .ott
- .p12
- .p7b
- .p7c
- .pages
- .pas
- .pat
- .pbo
- .pcd
- .pct
- .pdd
- .pef
- .pem
- .pfx
- .php
- .pip
- .pl
- .plc
- .pot
- .potm
- .potx
- .ppam
- .pps
- .ppsm
- .ppsx
- .ppt
- .pptm
- .pptx
- .prf
- .ps
- .psafe3
- .psd
- .pspimage
- .ptx
- .pub
- .puz
- .py
- .qba
- .qbw
- .r3d
- .raf
- .rar
- .rat
- .raw
- .rdb
- .rm
- .rtf
- .rwz
- .sas7bdat
- .say
- .sd0
- .sda
- .sdf
- .snp
- .sql
- .sr2
- .srf
- .srt
- .srw
- .st4
- .st5
- .st6
- .st7
- .st8
- .stc
- .std
- .sti
- .stw
- .stx
- .svg
- .swf
- .sxc
- .sxd
- .sxg
- .sxi
- .sxm
- .sxw
- .tex
- .tga
- .thm
- .txt
- .vob
- .vsd
- .vsx
- .vtx
- .wav
- .wb2
- .wdb
- .wll
- .wmv
- .wpd
- .wps
- .x11
- .x3f
- .xla
- .xlam
- .xlb
- .xlc
- .xll
- .xlm
- .xlr
- .xls
- .xlsb
- .xlsm
- .xlsx
- .xlt
- .xltm
- .xltx
- .m4a
- .wma
- .d3dbsp
- .xlw
- .xpp
- .xsn
- .yuv
- .zip
- .zip
- .sie
- .unrec
- .scan
- .sum
- .t13
- .t12
- .qdf
- .tax
- .pkpass
- .bc6
- .bc7
- .sidn
- .sidd
- .mddata
- .itl
- .itdb
- .icxs
- .hvpl
- .hplg
- .hkdb
- .mdbackup
- .syncdb
- .gho
- .cas
- .map
- .wmo
- .itm
- .sb
- .fos
- .mov
- .vdf
- .ztmp
- .sis
- .sid
- .ncf
- .menu
- .layout
- .dmp
- .blob
- .esm
- .vcf
- .vtf
- .dazip
- .fpk
- .mlx
- .kf
- .iwd
- .vpk
- .tor
- .psk
- .rim
- .w3x
- .fsh
- .ntl
- .arch00
- .lvl
- .snx
- .cfr
- .ff
- .vpp_pc
- .lrf
- .m2
- .mcmeta
- .vfs0
- .mpqge
- .kdb
- .db0
- .dba
- .rofl
- .hkx
- .bar
- .upk
- .das
- .iwi
- .litemod
- .asset
- .forge
- .ltx
- .bsa
- .apk
- .re4
- .lbf
- .slm
- .epk
- .rgss3a
- .pak
- .big
- .wallet
- .wotreplay
- .xxx
- .desc
- .m3u
- .js
- .css
- .rb
- .png
- .rw2
- .rwl
- .mrwref
- .3fr
- .xf
- .pst
- .dx
- .tiff
- .bd
- .tar
- .gz
- .mkv
- .bmp
- .dot
- .xml
- .xmlx
- .dat
- .html
- .gif
- .mcl
- .ini
- .mte
- .cfg
- .mp3
- .qbi
- .qbr
- .cnt
- .v30
- .qbo
- .lgb
- .qwc
- .qbp
- .aif
- .qby
- .1pa
- .qpd
- .set
- .nd
- .rtp
- .qbwin
- .log
- .qbbackup
- .tmp
- .temp1234
- .qbt
- .qbsdk
- .syncmanagerlogger
- .ecml
- .qsm
- .qss
- .qst
- .fx0
- .fx1
- .mx0
- .fpx
- .fxr
- .fim
- .3DM
- .3DS
- .3G2
- .3GP
- .7Z
- .AB4
- .ACCDB
- .ACCDE
- .ACCDR
- .ACCDT
- .ACH
- .ACT
- .ADB
- .ADS
- .AI
- .AIT
- .AL
- .APJ
- .ARW
- .ASF
- .ASM
- .ASP
- .ASX
- .AVI
- .BACK
- .BANK
- .BAY
- .BGT
- .BIK
- .BKF
- .BKP
- .BLEND
- .BPW
- .C
- .CDB
- .CDF
- .CDR
- .CDX
- .CE1
- .CE2
- .CER
- .CFP
- .CGM
- .CLASS
- .CLS
- .CMT
- .CNV
- .CPI
- .CPP
- .CR2
- .CRAW
- .CRT
- .CRW
- .CS
- .CSH
- .CSL
- .CSV
- .DAC
- .DB
- .DB3
- .DBF
- .DBR
- .DBS
- .DC2
- .DCR
- .DCS
- .DCX
- .DDD
- .DDOC
- .DDS
- .DER
- .DES
- .DESIGN
- .DGC
- .DJVU
- .DNG
- .DOC
- .DOCM
- .DOCX
- .DOT
- .DOTM
- .DOTX
- .DRF
- .DRW
- .DTD
- .DWG
- .DXB
- .DXF
- .DXG
- .EBD
- .EDB
- .EML
- .EPS
- .ERF
- .EXF
- .FDB
- .FFD
- .FFF
- .FH
- .FHD
- .FLA
- .FLAC
- .FLV
- .FM
- .FP7
- .FPX
- .FXG
- .GDB
- .GRAY
- .GREY
- .GRW
- .GRY
- .H
- .HBK
- .HPP
- .IBD
- .IDX
- .IIF
- .INDD
- .JAVA
- .JPE
- .JPEG
- .JPG
- .KDBX
- .KDC
- .KEY
- .LACCDB
- .LUA
- .M
- .M4V
- .MAF
- .MAM
- .MAQ
- .MAR
- .MAW
- .MAX
- .MDB
- .MDC
- .MDE
- .MDF
- .MDT
- .MEF
- .MFW
- .MMW
- .MOS
- .MOV
- .MP3
- .MP4
- .MPG
- .MPP
- .MRW
- .MSO
- .MYD
- .NDD
- .NEF
- .NK2
- .NRW
- .NS2
- .NS3
- .NS4
- .NSD
- .NSF
- .NSG
- .NSH
- .NWB
- .NX1
- .NX2
- .NYF
- .OBJ
- .ODB
- .ODC
- .ODF
- .ODG
- .ODM
- .ODP
- .ODS
- .ODT
- .OIL
- .ONE
- .ORF
- .OTG
- .OTH
- .OTP
- .OTS
- .OTT
- .P12
- .P7B
- .P7C
- .PAGES
- .PAS
- .PAT
- .PBO
- .PCD
- .PCT
- .PDD
- .PEF
- .PEM
- .PFX
- .PHP
- .PIP
- .PL
- .PLC
- .POT
- .POTM
- .POTX
- .PPAM
- .PPS
- .PPSM
- .PPSX
- .PPT
- .PPTM
- .PPTX
- .PRF
- .PS
- .PSAFE3
- .PSD
- .PSPIMAGE
- .PTX
- .PUB
- .PUZ
- .PY
- .QBA
- .QBW
- .R3D
- .RAF
- .RAR
- .RAT
- .RAW
- .RDB
- .RM
- .RTF
- .RWZ
- .SAS7BDAT
- .SAY
- .SD0
- .SDA
- .SDF
- .SNP
- .SQL
- .SR2
- .SRF
- .SRT
- .SRW
- .ST4
- .ST5
- .ST6
- .ST7
- .ST8
- .STC
- .STD
- .STI
- .STW
- .STX
- .SVG
- .SWF
- .SXC
- .SXD
- .SXG
- .SXI
- .SXM
- .SXW
- .TEX
- .TGA
- .THM
- .TXT
- .VOB
- .VSD
- .VSX
- .VTX
- .WAV
- .WB2
- .WDB
- .WLL
- .WMV
- .WPD
- .WPS
- .X11
- .X3F
- .XLA
- .XLAM
- .XLB
- .XLC
- .XLL
- .XLM
- .XLR
- .XLS
- .XLSB
- .XLSM
- .XLSX
- .XLT
- .XLTM
- .XLTX
- .M4A
- .WMA
- .D3DBSP
- .XLW
- .XPP
- .XSN
- .YUV
- .ZIP
- .ZIP
- .SIE
- .UNREC
- .SCAN
- .SUM
- .T13
- .T12
- .QDF
- .TAX
- .PKPASS
- .BC6
- .BC7
- .SIDN
- .SIDD
- .MDDATA
- .ITL
- .ITDB
- .ICXS
- .HVPL
- .HPLG
- .HKDB
- .MDBACKUP
- .SYNCDB
- .GHO
- .CAS
- .MAP
- .WMO
- .ITM
- .SB
- .FOS
- .MOV
- .VDF
- .ZTMP
- .SIS
- .SID
- .NCF
- .MENU
- .LAYOUT
- .DMP
- .BLOB
- .ESM
- .VCF
- .VTF
- .DAZIP
- .FPK
- .MLX
- .KF
- .IWD
- .VPK
- .TOR
- .PSK
- .RIM
- .W3X
- .FSH
- .NTL
- .ARCH00
- .LVL
- .SNX
- .CFR
- .FF
- .VPP_PC
- .LRF
- .M2
- .MCMETA
- .VFS0
- .MPQGE
- .KDB
- .DB0
- .DBA
- .ROFL
- .HKX
- .BAR
- .UPK
- .DAS
- .IWI
- .LITEMOD
- .ASSET
- .FORGE
- .LTX
- .BSA
- .APK
- .RE4
- .LBF
- .SLM
- .EPK
- .RGSS3A
- .PAK
- .BIG
- .WALLET
- .WOTREPLAY
- .XXX
- .DESC
- .M3U
- .JS
- .CSS
- .RB
- .PNG
- .RW2
- .RWL
- .MRWREF
- .3FR
- .XF
- .PST
- .DX
- .TIFF
- .BD
- .TAR
- .GZ
- .MKV
- .BMP
- .DOT
- .XML
- .XMLX
- .DAT
- .HTML
- .GIF
- .MCL
- .INI
- .MTE
- .CFG
- .MP3
- .QBI
- .QBR
- .CNT
- .V30
- .QBO
- .LGB
- .QWC
- .QBP
- .AIF
- .QBY
- .1PA
- .QPD
- .SET
- .ND
- .RTP
- .QBWIN
- .LOG
- .QBBACKUP
- .TMP
- .TEMP1234
- .QBT
- .QBSDK
- .SYNCMANAGERLOGGER
- .ECML
- .QSM
- .QSS
- .QST
- .FX0
- .FX1
- .MX0
- .FPX
- .FXR
- .FIM
- .$$$
- .$DB
- .001
- .002
- .003
- .113
- .73B
- .__A
- .__B
- .AB
- .ABA
- .ABBU
- .ABF
- .ABK
- .ACP
- .ACR
- .ADI
- .AEA
- .AFI
- .ARC
- .AS4
- .ASD
- .ASHBAK
- .ASV
- .ASVX
- .ATE
- .ATI
- .BAC
- .BACKUP
- .BACKUPDB
- .BAK2
- .BAK3
- .BAKX
- .BAK~
- .BBB
- .BBZ
- .BCK
- .BCKP
- .BCM
- .BDB
- .BFF
- .BIF
- .BIFX
- .BK1
- .BKC
- .BKUP
- .BKZ
- .BLEND1
- .BLEND2
- .BM3
- .BMK
- .BPA
- .BPB
- .BPM
- .BPN
- .BPS
- .BUP
- .CAA
- .CBK
- .CBS
- .CBU
- .CK9
- .CMF
- .CRDS
- .CSD
- .CSM
- .DA0
- .DASH
- .DBK
- .DIM
- .DIY
- .DNA
- .DOV
- .DPB
- .DSB
- .FBC
- .FBF
- .FBK
- .FBU
- .FBW
- .FH
- .FHF
- .FLKA
- .FLKB
- .FPSX
- .FTMB
- .FUL
- .FWBACKUP
- .FZA
- .FZB
- .GB1
- .GB2
- .GBP
- .GHS
- .IBK
- .ICBU
- .ICF
- .INPROGRESS
- .IPD
- .IV2I
- .JBK
- .JDC
- .KB2
- .LCB
- .LLX
- .MBF
- .MBK
- .MBW
- .MDINFO
- .MEM
- .MIG
- .MPB
- .MV_
- .NB7
- .NBA
- .NBAK
- .NBD
- .NBF
- .NBI
- .NBK
- .NBS
- .NBU
- .NCO
- .NDA
- .NFB
- .NFC
- .NPF
- .NPS
- .NRBAK
- .NRS
- .NWBAK
- .OBK
- .OEB
- .OLD
- .ONEPKG
- .ORI
- .ORIG
- .OYX
- .PAQ
- .PBA
- .PBB
- .PBD
- .PBF
- .PBJ
- .PBX5SCRIPT
- .PBXSCRIPT
- .PDB
- .PQB
- .PQB-BACKUP
- .PRV
- .PSA
- .PTB
- .PVC
- .PVHD
- .QBB
- .QBK
- .QBM
- .QBMB
- .QBMD
- .QBX
- .QIC
- .QSF
- .QUALSOFTCODE
- .QUICKEN2015BACKUP
- .QUICKENBACKUP
- .QV~
- .RBC
- .RBF
- .RBK
- .RBS
- .RDB
- .RGMB
- .RMBAK
- .RRR
- .SAV
- .SBB
- .SBS
- .SBU
- .SDC
- .SIM
- .SKB
- .SME
- .SN1
- .SN2
- .SNA
- .SNS
- .SPF
- .SPG
- .SPI
- .SPS
- .SQB
- .SRR
- .STG
- .SV$
- .SV2I
- .TBK
- .TDB
- .TIBKP
- .TIG
- .TIS
- .TLG
- .TMP
- .TMR
- .TRN
- .TTBK
- .UCI
- .V2I
- .VBK
- .VBM
- .VBOX-PREV
- .VPCBACKUP
- .VRB
- .WBB
- .WBCAT
- .WBK
- .WIN
- .WJF
- .WPB
- .WSPAK
- .XBK
- .XLK
- .YRCBCK
- .~CW
- .QBI
- .QBR
- .CNT
- .DES
- .v30
- .QBO
- .LGB
- .QWC
- .QBP
- .AIF
- .QBA
- .TLG
- .QBY
- .1PA
- .QPD
- .SET
- .IIF
- .ND
- .RTP
- .TLG
- .WAV
- .Qbwin
- .log
- .QBBackup
- .tmp
- .Temp1234
- .qbt
- .QBSDK
- .log
- .QWC
- .log
- .SyncManagerLogger
- .log
- .ECML
- .QSM
- .QSS
- .QST
- .Fx0
- .Fx1
- .Mx0
- .FPx
- .FXR
- .FIM
- .$$$
- .$db
- .001
- .002
- .003
- .113
- .73b
- .__a
- .__b
- .ab
- .aba
- .abbu
- .abf
- .abk
- .acp
- .acr
- .adi
- .aea
- .afi
- .arc
- .as4
- .asd
- .ashbak
- .asv
- .asvx
- .ate
- .ati
- .bac
- .backup
- .backupdb
- .bak2
- .bak3
- .bakx
- .bak~
- .bbb
- .bbz
- .bck
- .bckp
- .bcm
- .bdb
- .bff
- .bif
- .bifx
- .bk1
- .bkc
- .bkup
- .bkz
- .blend1
- .blend2
- .bm3
- .bmk
- .bpa
- .bpb
- .bpm
- .bpn
- .bps
- .bup
- .caa
- .cbk
- .cbs
- .cbu
- .ck9
- .cmf
- .crds
- .csd
- .csm
- .da0
- .dash
- .dbk
- .dim
- .diy
- .dna
- .dov
- .dpb
- .dsb
- .fbc
- .fbf
- .fbk
- .fbu
- .fbw
- .fh
- .fhf
- .flka
- .flkb
- .fpsx
- .ftmb
- .ful
- .fwbackup
- .fza
- .fzb
- .gb1
- .gb2
- .gbp
- .ghs
- .ibk
- .icbu
- .icf
- .inprogress
- .ipd
- .iv2i
- .jbk
- .jdc
- .kb2
- .lcb
- .llx
- .mbf
- .mbk
- .mbw
- .mdinfo
- .mem
- .mig
- .mpb
- .mv_
- .nb7
- .nba
- .nbak
- .nbd
- .nbf
- .nbi
- .nbk
- .nbs
- .nbu
- .nco
- .nda
- .nfb
- .nfc
- .npf
- .nps
- .nrbak
- .nrs
- .nwbak
- .obk
- .oeb
- .old
- .onepkg
- .ori
- .orig
- .oyx
- .paq
- .pba
- .pbb
- .pbd
- .pbf
- .pbj
- .pbx5script
- .pbxscript
- .pdb
- .pqb
- .pqb-backup
- .prv
- .psa
- .ptb
- .pvc
- .pvhd
- .qbb
- .qbk
- .qbm
- .qbmb
- .qbmd
- .qbx
- .qic
- .qsf
- .qualsoftcode
- .quicken2015backup
- .quickenbackup
- .qv~
- .rbc
- .rbf
- .rbk
- .rbs
- .rdb
- .rgmb
- .rmbak
- .rrr
- .sav
- .sbb
- .sbs
- .sbu
- .sdc
- .sim
- .skb
- .sme
- .sn1
- .sn2
- .sna
- .sns
- .spf
- .spg
- .spi
- .sps
- .sqb
- .srr
- .stg
- .sv$
- .sv2i
- .tbk
- .tdb
- .tibkp
- .tig
- .tis
- .tlg
- .tmp
- .tmr
- .trn
- .ttbk
- .uci
- .v2i
- .vbk
- .vbm
- .vbox-prev
- .vpcbackup
- .vrb
- .wbb
- .wbcat
- .wbk
- .win
- .wjf
- .wpb
- .wspak
- .xbk
- .xlk
- .yrcbck
- .~cw
It renames encrypted files using the following names:
- {original filename}.hydracrypt_ID_{random ID}
NOTES:
This malware drops the following ransom note:
SOLUTION
9.800
12.316.02
04 Feb 2016
12.317.00
05 Feb 2016
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 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\Microsoft\ Windows\CurrentVersion\Run
- ChromeSettingsStart3264 = "%Application Data%\ChromeSetings3264\{random filename}.exe"
- ChromeSettingsStart3264 = "%Application Data%\ChromeSetings3264\{random filename}.exe"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows
- ChromeStarts3264 = {path of the executed malware}\{malware filename}.exe
- ChromeStarts3264 = {path of the executed malware}\{malware filename}.exe
- In HKEY_CURRENT_USER\Software\Microsoft\Windows
- ChromeSettiings3264 = {path of the executed malware}\{malware filename}.exe
- ChromeSettiings3264 = {path of the executed malware}\{malware filename}.exe
- In HKEY_CURRENT_USER\Software\Microsoft\Windows
- ChromeRandomAdress3264 = {random filename}.exe
- ChromeRandomAdress3264 = {random filename}.exe
- In HKEY_CURRENT_USER\Software\Microsoft\Windows
- MicrosoftUpd32 = {random}
- MicrosoftUpd32 = {random}
Step 5
Search and delete this folder
Step 6
Search and delete these files
- %User Profile%\My Documents\README_DECRYPT_HYDRA_ID_{random ID}.txt
- %User Profile%\My Documents\README_DECRYPT_HYDRA_ID_{random ID}.jpg
- %Desktop%\README_DECRYPT_HYDRA_ID_{random ID}.txt
- %Desktop%\README_DECRYPT_HYDRA_ID_{random ID}.jpg
- %Application Data%\ChromeSetings3264\{random filename}.jpg
- %Application Data%\ChromeSetings3264\{random filename}.exe
Step 7
Restart in normal mode and scan your computer with your Trend Micro product for files detected as RANSOM_HYDRA.AM. 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.
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