Categories: Ransom

Should I remove “Ransom:AutoIt/RedBoot.A”?

The Ransom:AutoIt/RedBoot.A is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Ransom:AutoIt/RedBoot.A virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Anomalous file deletion behavior detected (10+)
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Deletes its original binary from disk
  • Attempts to restart the guest VM
  • Collects and encrypts information about the computer likely to send to C2 server
  • Attempted to write directly to a physical drive

How to determine Ransom:AutoIt/RedBoot.A?


File Info:

name: 1001a8c7f33185217e6e1bdbb8dba9780d475da944684fb4bf1fc04809525887path: /opt/CAPEv2/storage/binaries/1001a8c7f33185217e6e1bdbb8dba9780d475da944684fb4bf1fc04809525887crc32: 5200F1DCmd5: e0340f456f76993fc047bc715dfdae6asha1: d47f6f7e553c4bc44a2fe88c2054de901390b2d7sha256: 1001a8c7f33185217e6e1bdbb8dba9780d475da944684fb4bf1fc04809525887sha512: cac10c675d81630eefca49b2ac4cc83f3eb29115ee28a560db4d6c33f70bf24980e48bb48ce20375349736e3e6b23a1ca504b9367917328853fffc5539626bbcssdeep: 24576:/4GHnhIzOasqUgEOr69/BRH7dCibu+XoAX0eOTva49ttrSpt81ekHPyWe:AshdasJgEOrGBRxCihH7OO49rveMGtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T103452394A452D017D2C67AB9C036DAB45BA4B831EEC2391BC354F651BD70383CB67B2Esha3_384: 922c1b16487469dc8a96601b18dbd41e188652c12f7d031600d13a5dd8a6272d642911c67df09203b1ac0291330c9a8eep_bytes: 60be00d055008dbe0040eaff57eb0b90timestamp: 2017-09-17 04:13:14

Version Info:

FileVersion: 1.0.0.0Comments: NoneFileDescription: NoneProductVersion: 3.3.14.2LegalCopyright: NoneTranslation: 0x0409 0x04b0

Ransom:AutoIt/RedBoot.A also known as:

Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.KillMBR.4!c
Cynet Malicious (score: 99)
CAT-QuickHeal TrojanRansom.Agent
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.78503
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 700000111 )
Alibaba Trojan:Win32/KillMBR.1d62177b
K7GW Trojan ( 700000111 )
Cybereason malicious.56f769
Symantec Ransom.Redboot
ESET-NOD32 Win32/Filecoder.Autoit.H
APEX Malicious
Paloalto generic.ml
ClamAV Win.Dropper.Autit-8177147-0
Kaspersky Trojan.Win32.KillMBR.gff
BitDefender Trojan.GenericKD.6010862
NANO-Antivirus Trojan.Win32.GenericKD.eszujj
ViRobot Trojan.Win32.S.Ransom.1246725
MicroWorld-eScan Trojan.GenericKD.6010862
Avast Win32:Malware-gen
Ad-Aware Trojan.GenericKD.6010862
Sophos Mal/Autoit-AE
Comodo Malware@#3f8wd4aintyee
DrWeb Trojan.MulDrop7.41556
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_REDBOOT.A
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.tc
FireEye Generic.mg.e0340f456f76993f
Emsisoft Trojan.GenericKD.6010862 (B)
GData Boot.Trojan-Ransom.Redboot.A
Webroot W32.Trojan.GenKD
Avira DR/Autoit.zbqnm
Antiy-AVL Trojan/Generic.ASMalwS.33D8CEC
Kingsoft Win32.Troj.Killmbr.ac.(kcloud)
Gridinsoft Ransom.Win32.Ransom.oa!s2
Arcabit Trojan.Generic.D5BB7EE
Microsoft Ransom:AutoIt/RedBoot.A
TACHYON Trojan/W32.KillMBR.1723397
AhnLab-V3 Trojan/Win32.Ransom.C2162290
McAfee Generic Trojan.ei
MAX malware (ai score=100)
VBA32 Trojan.KillMBR
Malwarebytes Malware.AI.2942611088
TrendMicro-HouseCall Ransom_REDBOOT.A
Tencent Malware.Win32.Gencirc.11496bd2
eGambit Unsafe.AI_Score_86%
Fortinet W32/Filecoder.H!tr
BitDefenderTheta Gen:NN.ZexaF.34266.s8Z@amxnGMd
AVG Win32:Malware-gen
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom:AutoIt/RedBoot.A?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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