Categories: Trojan

About “Trojan.Downloader.JSLW” infection

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: 364AB22Fmd5: 14d0207a3ea3c1774f0a335f05033e0dname: 14D0207A3EA3C1774F0A335F05033E0D.mlwsha1: af977c3679f67322721bcd2a7d6a814669ed2d30sha256: 728fccc2bb55039ce4089a7519da1ea2042f7112b84cd4286f23076ae1ac204bsha512: a85c9d327f9c7729ed9971e4d30dac4dd153aff6373093f25859ec9f0a3967697cc0351c54ea07712109870385fd21397d27f5a6c257030b5296aa05baa68802ssdeep: 6144:Brn1bq/sg48IFKXgnpAsEIBTd8JpvhG0TJLD2YKkLFu3KU06E+7XX3o8tmdPu/r:BrgUrznpAsdTd8fv2YQ3Kx6E+7Xo+qutype: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Tagged (C) 2011InternalName: WinteringFileDescription: SupplicantOriginalFilename: Spicing.exeCompanyName: PWO Team

Trojan.Downloader.JSLW also known as:

Bkav W32.Common.C7F7FE16
K7AntiVirus Trojan ( 0056f2bd1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.3094
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Teslacrypt.D4
ALYac Trojan.Downloader.JSLW
Cylance Unsafe
Zillya Tool.Binder.Win32.10522
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Yakes.c05127b2
K7GW Trojan ( 0056f2bd1 )
Cybereason malicious.a3ea3c
Baidu Win32.Trojan.Filecoder.k
Symantec Ransom.TeslaCrypt
ESET-NOD32 a variant of Win32/Injector.CNQQ
APEX Malicious
Avast Win32:TeslaCrypt-AO [Trj]
ClamAV Win.Ransomware.Jslw-7111281-1
Kaspersky Trojan.Win32.Yakes.npns
BitDefender Trojan.Downloader.JSLW
NANO-Antivirus Trojan.Win32.Encoder.dyzztj
ViRobot Trojan.Win32.TeslaCrypt.Gen.B
SUPERAntiSpyware Trojan.Agent/Gen-Dropper
MicroWorld-eScan Trojan.Downloader.JSLW
Tencent Malware.Win32.Gencirc.10c56920
Ad-Aware Trojan.Downloader.JSLW
Sophos ML/PE-A + Mal/Ransom-DL
Comodo Malware@#2s7ws6zgw3a8r
BitDefenderTheta Gen:NN.ZexaF.34692.xq0@aeSGUGkG
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_CRYPTESLA_EL150248.UVPM
McAfee-GW-Edition GenericR-FGH!14D0207A3EA3
FireEye Generic.mg.14d0207a3ea3c177
Emsisoft Trojan.Downloader.JSLW (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Yakes.dio
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1123567
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.15D09FB
Kingsoft Win32.Troj.Yakes.np.(kcloud)
Microsoft VirTool:Win32/CeeInject.gen!E
AegisLab Trojan.Win32.Yakes.4!c
GData Trojan.Downloader.JSLW
TACHYON Trojan/W32.Cryptodef.389120
AhnLab-V3 Trojan/Win32.Teslacrypt.C1305907
McAfee GenericR-FGH!14D0207A3EA3
MAX malware (ai score=100)
VBA32 BScope.Trojan.Yakes
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_CRYPTESLA_EL150248.UVPM
Rising Trojan.Ransom-Tesla!1.A322 (CLOUD)
Yandex Trojan.Yakes!t5l/ZTIDtpc
Ikarus Trojan-Ransom.TeslaCrypt
Fortinet W32/Kryptik.EQFZ!tr
AVG Win32:TeslaCrypt-AO [Trj]
Paloalto generic.ml

How to remove Trojan.Downloader.JSLW?

  • 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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