Trojan

About “Trojan.Downloader.JSLW” infection

Malware Removal

The Trojan.Downloader.JSLW 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 Trojan.Downloader.JSLW virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Compression (or decompression)
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Maltese
  • Looks up the external IP address
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • Attempts to remove evidence of file being downloaded from the Internet
  • Attempts to delete volume shadow copies
  • Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware
  • Modifies boot configuration settings
  • Writes a potential ransom message to disk
  • Attempts to identify installed AV products by registry key
  • Attempts to modify proxy settings
  • Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

Related domains:

myexternalip.com
ocsp.pki.goog
ccfinance.it
ecaequeeessa.com
schonemaas.nl
crls.pki.goog
crl.pki.goog
cic-la-banque.org
eventur.ro

How to determine Trojan.Downloader.JSLW?


File Info:

crc32: 364AB22F
md5: 14d0207a3ea3c1774f0a335f05033e0d
name: 14D0207A3EA3C1774F0A335F05033E0D.mlw
sha1: af977c3679f67322721bcd2a7d6a814669ed2d30
sha256: 728fccc2bb55039ce4089a7519da1ea2042f7112b84cd4286f23076ae1ac204b
sha512: a85c9d327f9c7729ed9971e4d30dac4dd153aff6373093f25859ec9f0a3967697cc0351c54ea07712109870385fd21397d27f5a6c257030b5296aa05baa68802
ssdeep: 6144:Brn1bq/sg48IFKXgnpAsEIBTd8JpvhG0TJLD2YKkLFu3KU06E+7XX3o8tmdPu/r:BrgUrznpAsdTd8fv2YQ3Kx6E+7Xo+qu
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Tagged (C) 2011
InternalName: Wintering
FileDescription: Supplicant
OriginalFilename: Spicing.exe
CompanyName: PWO Team

Trojan.Downloader.JSLW also known as:

BkavW32.Common.C7F7FE16
K7AntiVirusTrojan ( 0056f2bd1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.3094
CynetMalicious (score: 100)
CAT-QuickHealRansom.Teslacrypt.D4
ALYacTrojan.Downloader.JSLW
CylanceUnsafe
ZillyaTool.Binder.Win32.10522
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaTrojan:Win32/Yakes.c05127b2
K7GWTrojan ( 0056f2bd1 )
Cybereasonmalicious.a3ea3c
BaiduWin32.Trojan.Filecoder.k
SymantecRansom.TeslaCrypt
ESET-NOD32a variant of Win32/Injector.CNQQ
APEXMalicious
AvastWin32:TeslaCrypt-AO [Trj]
ClamAVWin.Ransomware.Jslw-7111281-1
KasperskyTrojan.Win32.Yakes.npns
BitDefenderTrojan.Downloader.JSLW
NANO-AntivirusTrojan.Win32.Encoder.dyzztj
ViRobotTrojan.Win32.TeslaCrypt.Gen.B
SUPERAntiSpywareTrojan.Agent/Gen-Dropper
MicroWorld-eScanTrojan.Downloader.JSLW
TencentMalware.Win32.Gencirc.10c56920
Ad-AwareTrojan.Downloader.JSLW
SophosML/PE-A + Mal/Ransom-DL
ComodoMalware@#2s7ws6zgw3a8r
BitDefenderThetaGen:NN.ZexaF.34692.xq0@aeSGUGkG
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_CRYPTESLA_EL150248.UVPM
McAfee-GW-EditionGenericR-FGH!14D0207A3EA3
FireEyeGeneric.mg.14d0207a3ea3c177
EmsisoftTrojan.Downloader.JSLW (B)
SentinelOneStatic AI – Suspicious PE
JiangminTrojan.Yakes.dio
WebrootTrojan.Dropper.Gen
AviraHEUR/AGEN.1123567
eGambitUnsafe.AI_Score_100%
Antiy-AVLTrojan/Generic.ASMalwS.15D09FB
KingsoftWin32.Troj.Yakes.np.(kcloud)
MicrosoftVirTool:Win32/CeeInject.gen!E
AegisLabTrojan.Win32.Yakes.4!c
GDataTrojan.Downloader.JSLW
TACHYONTrojan/W32.Cryptodef.389120
AhnLab-V3Trojan/Win32.Teslacrypt.C1305907
McAfeeGenericR-FGH!14D0207A3EA3
MAXmalware (ai score=100)
VBA32BScope.Trojan.Yakes
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_CRYPTESLA_EL150248.UVPM
RisingTrojan.Ransom-Tesla!1.A322 (CLOUD)
YandexTrojan.Yakes!t5l/ZTIDtpc
IkarusTrojan-Ransom.TeslaCrypt
FortinetW32/Kryptik.EQFZ!tr
AVGWin32:TeslaCrypt-AO [Trj]
Paloaltogeneric.ml

How to remove Trojan.Downloader.JSLW?

Trojan.Downloader.JSLW removal tool
  • 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.

About the author

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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