Trojan

UDS:Trojan-Downloader.Win32.Dlass (file analysis)

Malware Removal

The UDS:Trojan-Downloader.Win32.Dlass 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 UDS:Trojan-Downloader.Win32.Dlass virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • CAPE detected the embedded win api malware family
  • Yara detections observed in process dumps, payloads or dropped files

How to determine UDS:Trojan-Downloader.Win32.Dlass?


File Info:

name: 6A1438FF5929B8CBCC55.mlw
path: /opt/CAPEv2/storage/binaries/caa740d8106e6b594d98105fe2a79d5910cdce0d5ecd8871f2983dc1e9b83e35
crc32: 0DD28499
md5: 6a1438ff5929b8cbcc55b21b847e43ac
sha1: ac6ca44f8a076de81197b6c29900dafb6c58bc86
sha256: caa740d8106e6b594d98105fe2a79d5910cdce0d5ecd8871f2983dc1e9b83e35
sha512: e32bd8b44da1eed7011f00e5531809af74a89cebaecdc28a23324cf1ee62a06baf60253fae3d16c2c7951aee7fbaaa3218a0d869ca5db4b7fdc55a9909b486e1
ssdeep: 98304:Ucg/nmnXJx+GvIPndG9j8GGmrUjqcs8Ki6Cwdw:gu/aPnuIGGmrUjqcs8K9e
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1CE363396E4B391FAF35492B59E7092B856326FDD3471A19C39EC718EEA3311E8D01383
sha3_384: 488ec17cf5ffb79bf55ec674ae3b58723df634391a2fcf1277f8edede76e8f8df97cc1224aee5d06b99d1fff6092bb59
ep_bytes: 558bec83c4c453565733c08945f08945
timestamp: 2024-02-25 05:37:49

Version Info:

Comments: This installation was built with Inno Setup.
CompanyName:
FileDescription: ISO Master Setup
FileVersion:
LegalCopyright:
ProductName: ISO Master
ProductVersion:
Translation: 0x0000 0x04b0

UDS:Trojan-Downloader.Win32.Dlass also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.Dlass.a!c
Elasticmalicious (high confidence)
SkyhighBehavesLike.Win32.BadFile.rc
McAfeeArtemis!6A1438FF5929
Cylanceunsafe
SangforTrojan.Win32.Agent.Vftj
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojanDownloader:Win32/Dlass.b52dd536
K7GWTrojan ( 005722fe1 )
K7AntiVirusTrojan ( 005722fe1 )
SymantecTrojan.Gen.MBT
ESET-NOD32a variant of Win32/TrojanDropper.Agent.SLC
APEXMalicious
CynetMalicious (score: 100)
KasperskyUDS:Trojan-Downloader.Win32.Dlass.gen
AvastOther:Malware-gen [Trj]
TencentWin32.Trojan-Downloader.Dlass.Jcnw
SophosMal/Generic-S
F-SecureHeuristic.HEUR/AGEN.1372994
DrWebTrojan.Zadved.1796
Trapminesuspicious.low.ml.score
IkarusTrojan.Win32.FakeAV
GoogleDetected
AviraHEUR/AGEN.1372994
ZoneAlarmUDS:Trojan-Downloader.Win32.Dlass.gen
MicrosoftTrojan:Win32/ICLoader.JL!MTB
VaristW32/Agent.RNRP-2154
AhnLab-V3Trojan/Win.Malware-gen.C5594003
MalwarebytesTrojan.Dropper.INS
SentinelOneStatic AI – Malicious PE
FortinetW32/Agent.SLC!tr
AVGOther:Malware-gen [Trj]
alibabacloudTrojan[dropper]:Win/Dlass.gen

How to remove UDS:Trojan-Downloader.Win32.Dlass?

UDS:Trojan-Downloader.Win32.Dlass 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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