Win32/LockScreen.AFA malicious file

The Win32/LockScreen.AFA 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 Win32/LockScreen.AFA virus can do?

Executable code extraction
Creates RWX memory
Possible date expiration check, exits too soon after checking local time
A process created a hidden window
Performs some HTTP requests
Uses Windows utilities for basic functionality
Attempts to restart the guest VM
Crashed cuckoomon during analysis. Report this error to the Github repo.
Installs itself for autorun at Windows startup
Network activity detected but not expressed in API logs
Anomalous binary characteristics

Related domains:

redirector.gvt1.com

r8—sn-bpb5oxu-3c2r.gvt1.com

How to determine Win32/LockScreen.AFA?


File Info:
crc32: 4E26200F
md5: 101a082460dc3c34f1cbc8a4e503ab4f
name: 101A082460DC3C34F1CBC8A4E503AB4F.mlw
sha1: 1abc1b8ab75fa3463260036f4e0968764286c1f2
sha256: 4b13aa2bec475775354ed0a697c7e41b579d98b20ce57dafe8612e87996ad248
sha512: 066de742bbeec5486b5ad3998f62e1e25e62282166e676a48e0e7283c368ff325727de981d4444864c998dbfea543fdee86a4b4f06d0093fa1921efe9771ca93
ssdeep: 6144:OXkSEpAh3/HI6qGqyInpCxwep495V+DB:O/E8qyInOmQDB
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Copyright (c) 2011
InternalName: Mystic
FileVersion: 2.0
CompanyName: x41ex41ex41e x417x430x43ax440x438x43fx442x443x439
ProductName: The space invader corp.
ProductVersion: 2.0))
FileDescription: Mystic compressor
OriginalFilename: Mystic
Translation: 0x0409 0x04b0

Win32/LockScreen.AFA also known as:

Elastic	malicious (high confidence)
DrWeb	Trojan.MulDrop.65387
Cylance	Unsafe
CrowdStrike	win/malicious_confidence_70% (D)
K7GW	Trojan ( 0055e4091 )
K7AntiVirus	Trojan ( 0055e4091 )
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	Win32/LockScreen.AFA
APEX	Malicious
Paloalto	generic.ml
Cynet	Malicious (score: 100)
Alibaba	Ransom:Win32/HmBlocker.fbcc8138
NANO-Antivirus	Trojan.Win32.HmBlocker.diqaa
ViRobot	Trojan.Win32.A.HmBlocker.143360.B
Tencent	Win32.Trojan.Hmblocker.Dtiw
Sophos	ML/PE-A + Mal/FakeAV-MR
BitDefenderTheta	Gen:NN.ZexaF.34690.mu0@ayqRpBlO
VIPRE	Trojan-Ransom.Win32.HmBlocker.dlk (v)
McAfee-GW-Edition	Artemis!Trojan
FireEye	Generic.mg.101a082460dc3c34
SentinelOne	Static AI – Suspicious PE
Jiangmin	Trojan/HmBlocker.boe
Avira	TR/Crypt.ZPACK.Gen
Antiy-AVL	Trojan/Generic.ASMalwS.1897B81
Microsoft	Trojan:Win32/Bulta!rfn
AegisLab	Trojan.Win32.HmBlocker.j!c
McAfee	Artemis!101A082460DC
MAX	malware (ai score=97)
VBA32	Trojan.ExpProc.014
Rising	Ransom.HmBlocker!8.2A63 (CLOUD)
Yandex	Trojan.HmBlocker!sHLj+GMdP+k
Ikarus	Trojan.Win32.LockScreen
Fortinet	W32/BrowHost.KP!tr

How to remove Win32/LockScreen.AFA?

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.

Win32/LockScreen.AFA malicious file