Trojan

UDS:Trojan-Downloader.Win32.Zenlod removal guide

Malware Removal

The UDS:Trojan-Downloader.Win32.Zenlod 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What UDS:Trojan-Downloader.Win32.Zenlod virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Compression (or decompression)
  • Possible date expiration check, exits too soon after checking local time
  • Creates RWX memory
  • Attempts to connect to a dead IP:Port (5 unique times)
  • Starts servers listening on 127.0.0.1:0
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Uses Windows utilities for basic functionality
  • Detects Sandboxie through the presence of a library
  • Detects Avast Antivirus through the presence of a library
  • Forces a created process to be the child of an unrelated process
  • Executed a process and injected code into it, probably while unpacking
  • Queries information on disks, possibly for anti-virtualization
  • Checks for the presence of known windows from debuggers and forensic tools
  • A process attempted to delay the analysis task by a long amount of time.
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Steals private information from local Internet browsers
  • Mimics the file times of a Windows system file
  • Exhibits possible ransomware file modification behavior
  • Creates a hidden or system file
  • Attempts to disable Windows Defender
  • Attempts to create or modify system certificates
  • Collects information to fingerprint the system

Related domains:

motiwa.xyz
ip-api.com
www.facebook.com
email.yg9.me
a.upstloans.net
apps.identrust.com

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


File Info:

crc32: 0E9385BC
md5: 8f8df01e4adaf4304431392f2f541adb
name: 8F8DF01E4ADAF4304431392F2F541ADB.mlw
sha1: aeaf11f343c02175e882d1e03396b4df1aa85dfd
sha256: c4212b60e17b36e660d61ce38b7e9308aaadeaf815c05ab5d1edefed5c80be16
sha512: 8a70890eba94bd7bc7a000e8603808abf2d6ebb184821ff43e800b534e8f6c5aa0b96e7f85b0f4aff1505e41851005382bd733128177f0bdeddce20117c79494
ssdeep: 98304:xtRQh4DiIqRdglT87jZ1HwCvLUBsKJL5F:xtXDiJsl47jZ1tLUCKpr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (c) 1999-2018 Igor Pavlov
InternalName: 7zS.sfx
FileVersion: 19.00
CompanyName: Igor Pavlov
ProductName: 7-Zip
ProductVersion: 19.00
FileDescription: 7z Setup SFX
OriginalFilename: 7zS.sfx.exe
Translation: 0x0409 0x04b0

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

K7AntiVirusRiskware ( 0040eff71 )
DrWebTrojan.PWS.Siggen3.109
CynetMalicious (score: 99)
CAT-QuickHealPUA.IgenericRI.S15903427
ALYacGen:Variant.Graftor.959782
CylanceUnsafe
Cybereasonmalicious.e4adaf
CyrenW32/Kryptik.EJB.gen!Eldorado
ESET-NOD32multiple detections
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packed.Barys-9859531-0
KasperskyUDS:Trojan-Downloader.Win32.Zenlod.gen
BitDefenderGen:Variant.Razy.301902
NANO-AntivirusRiskware.Win32.PSWTool.hqsnsl
MicroWorld-eScanGen:Variant.Razy.301902
SophosTroj/Kryptik-TR
BitDefenderThetaGen:NN.ZexaF.34758.Nu0@aiQo4wdI
TrendMicroTROJ_GEN.R002C0DFI21
McAfee-GW-EditionRDN/Generic.com
FireEyeGen:Variant.Razy.301902
EmsisoftGen:Variant.Graftor.959782 (B)
JiangminTrojan.Zenpak.hpk
AviraTR/Redcap.ahesa
eGambitUnsafe.AI_Score_93%
Antiy-AVLTrojan/Generic.ASMalwS.2FFCE3E
MicrosoftTrojan:Win32/Glupteba!ml
ZoneAlarmnot-a-virus:HEUR:PSWTool.Win32.PassView.a
GDataGen:Variant.Graftor.959782
MAXmalware (ai score=85)
VBA32BScope.Trojan.Crypt
MalwarebytesGeneric.Trojan.Malicious.DDS
PandaTrj/CI.A
TrendMicro-HouseCallTROJ_GEN.R002H06FB21
RisingMalware.Heuristic!ET#82% (RDMK:cmRtazrVsSLCkSP2vTrjpb3BWMBe)
IkarusTrojan.Win32.Ranumbot
FortinetW32/CookieStealer.E!tr
AVGWin32:Malware-gen

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

UDS:Trojan-Downloader.Win32.Zenlod 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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