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MountLocker

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README.md

MountLocker

  • First seen: July 2020
  • Aliases:
  • Samples:
    • 4b917b60f4df6d6d08e895d179a22dcb7c38c6a6a6f39c96c3ded10368d86273 | windows | ransom | pe
    • f570d5b17671e6f3e56eae6ad87be3a6bbfac46c677e478618afd9f59bf35963 | windows | ransom | pe
    • 30050b3673c720729cd6a61803059b16dd3aa526683e7342aae0261e4c78fa83 | windows | ransom | pe
    • 2d2d2e39ccae1ff764e6618b5d7636d41ac6e752ce56d69a9acbb9cb1c8183d0 | windows | ransom | pe

MountLocker (x86) v1

Basic Properties

Property Value
Size 78848 bytes
CRC32 0x5164f9c9
MD5 23ba9903c5073f8637cfb4476ccc86b0
SHA1 268248c43bc4d9f803a1eb6a941b0bd5622d5445
SHA256 4b917b60f4df6d6d08e895d179a22dcb7c38c6a6a6f39c96c3ded10368d86273
SHA512 acdf49c35eaf42c37a57b89053ea24cf8935ed0062060be3903e257396063c1c0257df2a58712d9446a7881140c52be5a29d8c1cf9efdfcb8fea8de6288adc53
Ssdeep 1536:UhDsZ7FBET6FIsr4XSZ32tcOGwpin2lROhhSQCr1d:EDsBF6T6+srGi32tcOGwpin26hhor1d
Magic PE32 executable (GUI) Intel 80386, for MS Windows
Packer PE: compiler: Microsoft Visual C/C++(6.0)[-]
PE: linker: Microsoft Linker(14.12, Visual Studio 2017 15.5*)[EXE32]
TrID 38.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.0% (.EXE) Win64 Executable (generic) (10523/12/4)
8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)

Antivirus Scan

- Avast: Win32:Malware-gen
+ Avira: clean
- Bitdefender: Generic.Ransom.GarrantDecrypt.B.79AD0F59
- Clamav: Win.Ransomware.MountLocker-9802291-0
- Comodo: Malware
- Drweb: Trojan.Encoder.32749
- Eset: Win32/Filecoder.MountLocker.B
- Fsecure: Heuristic.HEUR/AGEN.1220829
- Kaspersky: Trojan.Win32.Zudochka.ewc
+ Mcafee: clean
- Sophos: Mal/Behav-116
- Symantec: Downloader
- Trendmicro: Ransom.Win32.MOUNTLOCKER.THJOHBOA
- Windefender: Ransom:Win32/MountLocker.BM!MSR

MountLocker (x64) v1

Basic Properties

Property Value
Size 96768 bytes
CRC32 0xe8dca33a
MD5 e7fde51fc294e7365618a72ac50cb1a4
SHA1 23c4fe41acb2114b3a1b07e3c8ef1814c6cf4175
SHA256 f570d5b17671e6f3e56eae6ad87be3a6bbfac46c677e478618afd9f59bf35963
SHA512 02d6facd15ae597f285ad89be8581d0ba55a341b55e570469ab4b8cd4786bb912dd033c969dbbee583e9f9baf8758d5d96c7d92f7592649fb92607bc514f0446
Ssdeep 1536:zumzFe61Icro3yJn2ds+Gwpin2MRRn7H7ur/5WgS09clN1dtVl1dFt9lN1dtV9l:zuP6ucrWSn2ds+Gwpin2mgr/UH0S
Magic PE32+ executable (GUI) x86-64, for MS Windows
Packer PE+(64): linker: Microsoft Linker(14.12, Visual Studio 2017 15.5*)[EXE64]
TrID 43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
27.6% (.EXE) Win64 Executable (generic) (10523/12/4)
13.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) OS/2 Executable (generic) (2029/13)
5.2% (.EXE) Generic Win/DOS Executable (2002/3)

Antivirus Scan

- Avast: Win64:Malware-gen
+ Avira: clean
- Bitdefender: Gen:Variant.Ser.Midie.1582
- Clamav: Win.Ransomware.MountLocker-9802291-0
- Comodo: Malware
- Drweb: Trojan.Encoder.32749
- Eset: Win64/Filecoder.MountLocker.A
- Fsecure: Heuristic.HEUR/AGEN.1220861
- Kaspersky: Trojan.Win32.Zudochka.ewf
+ Mcafee: clean
- Sophos: Troj/Ransom-GIH
- Symantec: Downloader
- Trendmicro: Ransom.Win64.MOUNTLOCKER.A
- Windefender: Ransom:MacOS/Filecoder

MountLocker (MSI) v1

Basic Properties

Property Value
Size 114688 bytes
CRC32 0xcc798cb8
MD5 ce3969ab935f0f5b1301cd70d2e59696
SHA1 e70d3341a6e2cc8ae0f140075837ceac4453b947
SHA256 30050b3673c720729cd6a61803059b16dd3aa526683e7342aae0261e4c78fa83
SHA512 20998be53a994d7adab2b71bafccec1eeb93e356965582161fa1fccea023fbf62b0145adf5e0621118f00a4ea12a71fbb5de2fdd129d92879502a5a3da019a36
Ssdeep 1536:y7WSmywADwaY6FIsr4XSZ32tcOGwpin2NI2F4cdJ0DLx0DL:y7WgpDwd6+srGi32tcOGwpin2NMcd
Magic Composite Document File V2 Document, Little Endian, Os
Packer Binary: archive: Microsoft Compound(MS Office 97-2003 or MSI etc.)
TrID 81.7% (.MSI) Microsoft Windows Installer (454500/1/170)
10.9% (.MST) Windows SDK Setup Transform script (61000/1/5)
5.8% (.XLS) Microsoft Excel sheet (32500/1/3)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)

Antivirus Scan

- Avast: Win32:Trojan-gen
- Avira: TR/FileCoder.vifbl
- Bitdefender: Generic.Ransom.GarrantDecrypt.B.34F712B7
- Clamav: Win.Ransomware.MountLocker-9802291-0
- Comodo: Malware
- Drweb: Trojan.Encoder.32761
- Eset: Win32/Filecoder.MountLocker.B
- Fsecure: Heuristic.HEUR/AGEN.1207470
- Kaspersky: HEUR:Trojan.OLE2.Alien.gen
+ Mcafee: clean
- Sophos: Troj/Ransom-GCM
- Symantec: Downloader
- Trendmicro: Ransom.Win32.MOUNTLOCKER.YPAJV
- Windefender: Ransom:Win32/MountLocker.BM!MSR

MountLocker (x64) v2

Basic Properties

Property Value
Size 47104 bytes
CRC32 0x369b6d9d
MD5 75d07587e095647ff8f18479e73831b2
SHA1 5da9c3f4b1db7972cf21d1553562660b289a4c59
SHA256 2d2d2e39ccae1ff764e6618b5d7636d41ac6e752ce56d69a9acbb9cb1c8183d0
SHA512 2e7dc10f3730824029359716b12d29d3b23b19f1d1e0bfd058d1ab05a6c469aae39a13d9c48e602cd262e4ed480d5697b4dc831a68a3f6713b333c643116ef65
Ssdeep 768:BZu9uClYAXSM6dsQ1Y/4vhx5F5OlLhdh1i:BZuz7vwf1OTs
Magic PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Packer PE+(64): linker: Microsoft Linker(14.12, Visual Studio 2017 15.5*)[DLL64]
TrID 43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
27.6% (.EXE) Win64 Executable (generic) (10523/12/4)
13.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) OS/2 Executable (generic) (2029/13)
5.2% (.EXE) Generic Win/DOS Executable (2002/3)

Antivirus Scan

- Avast: Win64:TrojanX-gen [Trj]
+ Avira: clean
- Bitdefender: Gen:Heur.Ransom.REntS.Gen.1
- Clamav: Win.Ransomware.MountLocker-9802291-0
- Comodo: Malware
- Drweb: Trojan.Encoder.33960
- Eset: Win64/Filecoder.MountLocker.A
- Fsecure: Heuristic.HEUR/AGEN.1207470
- Kaspersky: Trojan.Win32.DelShad.flm
+ Mcafee: clean
- Sophos: Troj/Ransom-GDE
- Symantec: Trojan.Gen.2
- Trendmicro: Ransom.Win64.MOUNTLOCKER.YAAK1
- Windefender: Ransom:Win64/MountLocker.BM!MSR

References