Ransom:Win32/LockScreen.BA (file analysis)

The Ransom:Win32/LockScreen.BA 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:Win32/LockScreen.BA virus can do?

Executable code extraction
Creates RWX memory
Unconventionial language used in binary resources: Russian
The binary likely contains encrypted or compressed data.
The executable is compressed using UPX
Attempts to repeatedly call a single API many times in order to delay analysis time
Network activity detected but not expressed in API logs
Anomalous binary characteristics

Related domains:

z.whorecord.xyz

a.tomx.xyz

How to determine Ransom:Win32/LockScreen.BA?


File Info:
crc32: 56FFD17F
md5: a0e9b4f31779376c69aaf232601d62eb
name: A0E9B4F31779376C69AAF232601D62EB.mlw
sha1: 0e323889b3d8ff55de7086bfafb0a6b68c5541e1
sha256: dde00d378a4a0a74096e94e20a954c94d770621bbc74ec0e494343a2e4ffdd55
sha512: 0c606ee83d47ad2d40bac4b460545fdc550e478c74891ccb9624aa3884a83c5396bf40f6f30b627997c07a209b5019327a00ec90828e43f943a5cd06eb67042c
ssdeep: 6144:FET3dI2UsWHd36NqZuHHdSzTFi4DzILnLD:ORzUsY56UZungPg
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:
0: [No Data]

Ransom:Win32/LockScreen.BA also known as:

Bkav	W32.AIDetect.malware1
Elastic	malicious (high confidence)
MicroWorld-eScan	Gen:Variant.Kazy.18491
FireEye	Generic.mg.a0e9b4f31779376c
CAT-QuickHeal	TrojanRansom.Losya
ALYac	Gen:Variant.Kazy.18491
Cylance	Unsafe
VIPRE	Packed.Win32.PWSZbot.gen (v)
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	Trojan ( f1000f011 )
BitDefender	Gen:Variant.Kazy.18491
K7GW	Trojan ( f1000f011 )
CrowdStrike	win/malicious_confidence_100% (W)
BitDefenderTheta	Gen:NN.ZexaF.34590.omGfaqqbJYf
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Win32/Kryptik.MOS
APEX	Malicious
Avast	Win32:Malware-gen
ClamAV	Win.Trojan.Losya-22
Kaspersky	Trojan-Ransom.Win32.Losya.dd
Alibaba	Ransom:Win32/Losya.1f845559
NANO-Antivirus	Trojan.Win32.Losya.ipqzy
AegisLab	Trojan.Win32.Losya.j!c
Rising	Ransom.Losya!8.59CD (CLOUD)
Ad-Aware	Gen:Variant.Kazy.18491
Emsisoft	Gen:Variant.Kazy.18491 (B)
Comodo	Malware@#2uehibaf7qane
F-Secure	Trojan.TR/Crypt.XPACK.Gen
DrWeb	Trojan.Winlock.2876
TrendMicro	Ransom_LockScreen.R002C0DBR21
McAfee-GW-Edition	BehavesLike.Win32.Downloader.dc
Sophos	Mal/Generic-R + Mal/Zbot-EZ
SentinelOne	Static AI – Malicious PE
Jiangmin	Trojan/Losya.ba
MaxSecure	Trojan.Malware.1960287.susgen
Avira	TR/Crypt.XPACK.Gen
MAX	malware (ai score=100)
Antiy-AVL	Trojan/Win32.AGeneric
Kingsoft	Win32.Troj.Undef.(kcloud)
Microsoft	Ransom:Win32/LockScreen.BA
Arcabit	Trojan.Kazy.D483B
ZoneAlarm	Trojan-Ransom.Win32.Losya.dd
GData	Gen:Variant.Kazy.18491
Cynet	Malicious (score: 100)
McAfee	Artemis!A0E9B4F31779
VBA32	Trojan.Zeus.EA.0999
Malwarebytes	Malware.Heuristic.1003
Panda	Generic Malware
TrendMicro-HouseCall	Ransom_LockScreen.R002C0DBR21
Tencent	Win32.Trojan.Losya.Lmuj
Yandex	Trojan.GenAsa!pJ5DRYBaO4w
Ikarus	Trojan-Ransom.Gimemo
eGambit	Generic.Malware
Fortinet	W32/Krap.A!tr
Webroot	W32.Malware.Gen
AVG	Win32:Malware-gen
Cybereason	malicious.317793
Qihoo-360	Win32/Ransom.Generic.HwsBqd0A

How to remove Ransom:Win32/LockScreen.BA?

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.

Ransom:Win32/LockScreen.BA (file analysis)