Worm

Should I remove “Worm:Win32/Yuner.A”?

Malware Removal

The Worm:Win32/Yuner.A 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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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 Worm:Win32/Yuner.A virus can do?

  • A file was accessed within the Public folder.
  • Sample contains Overlay data
  • Uses Windows utilities for basic functionality
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Attempts to identify installed AV products by registry key
  • Attempts to disable System Restore
  • Attempts to disable Windows File Protection aka System File Checker.
  • Touches a file containing cookies, possibly for information gathering
  • Attempts to modify or disable Security Center warnings
  • Attempts to modify Explorer settings to prevent file extensions from being displayed
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Worm:Win32/Yuner.A?


File Info:

name: 0F967B2CDFDBAE9B418E.mlw
path: /opt/CAPEv2/storage/binaries/0521f137952c8eac9f7b8e9dfe019d3e2777f4b6d9303d5d823769718f5f3ff8
crc32: B978F3A2
md5: 0f967b2cdfdbae9b418eaae90f9286c1
sha1: 22dbed45e42ae1a158fd3f47ebe39794ff43ee8a
sha256: 0521f137952c8eac9f7b8e9dfe019d3e2777f4b6d9303d5d823769718f5f3ff8
sha512: f93c9b774a708bf7688b6d3230aaeeca07e513ab45b5177a27c39a9078cac3476216427e465bcc07dfae195eac6be3450e0f9c31f763f2ebb2c3cd320c3e6644
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJA:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIP
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1C24412C2A6D95AE5ECC619771A23DFC41F56FE3169C60A10BA04B16F49F73C0AA13323
sha3_384: 5e4a61a4e204ef4ab9b45374344741ecc4339c69d6680fe46594d3e2d5934461918a1af69e2ae438516f34929470255a
ep_bytes: 60be002046008dbe00f0f9ff57eb0b90
timestamp: 2007-09-10 14:57:50

Version Info:

FileDescription:
Virus.Name.: ., ., ., .
Nuyer.........: ...... .. ...... : ., ., ., .
Translation: 0x0809 0x04b0

Worm:Win32/Yuner.A also known as:

BkavW32.FakeDocD.fam.Trojan
LionicWorm.Win32.AutoIt.l3OL
Elasticmalicious (moderate confidence)
MicroWorld-eScanTrojan.GenericKD.39797778
FireEyeGeneric.mg.0f967b2cdfdbae9b
CAT-QuickHealWorm.AutoIt.Yuner.A
SkyhighBehavesLike.Win32.Yahlover.dc
McAfeeW32/YahLover.worm.o
MalwarebytesGeneric.Trojan.Malpack.DDS
VIPRETrojan.GenericKD.39797778
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005506171 )
AlibabaWorm:Win32/Yuner.c3d9684f
K7GWTrojan ( 005506171 )
CrowdStrikewin/malicious_confidence_100% (W)
BaiduAutoIt.Worm.Yuner.a
VirITWorm.Win32.AutoIt.R
SymantecW32.Badday.A
ESET-NOD32Win32/Yuner.B
APEXMalicious
TrendMicro-HouseCallWORM_AUTORUN.BWK
AvastAutoIt:Dropper-D [Drp]
ClamAVWin.Trojan.Generic-42
KasperskyWorm.Win32.AutoIt.r
BitDefenderTrojan.GenericKD.39797778
NANO-AntivirusTrojan.Script.Agent.dbvlfz
SUPERAntiSpywareTrojan.Agent/Gen-Yuner
TencentWorm.Win32.AutoRun.f
SophosW32/Sohana-CU
F-SecureWorm:W32/AutoIt.gen!A
DrWebWin32.HLLW.Autohit.18448
ZillyaWorm.AutoIt.Win32.16950
TrendMicroWORM_AUTORUN.BWK
Trapminemalicious.high.ml.score
EmsisoftTrojan.GenericKD.39797778 (B)
IkarusWorm.Win32.AutoRun
MAXmalware (ai score=100)
JiangminTrojanDownloader.JS.hi
WebrootW32.Yuner.Gen
GoogleDetected
AviraWORM/Autorun.109873
VaristW32/A-91e93787!Eldorado
Antiy-AVLWorm/Win32.Yuner
KingsoftWin32.HeurC.KVM007.a
MicrosoftWorm:Win32/Yuner.A
XcitiumWorm.Win32.AutoIt.~AN@1x7nl
ArcabitTrojan.Generic.D25F4412
ViRobotWorm.Win32.AutoIt.261440
ZoneAlarmWorm.Win32.AutoIt.r
GDataWin32.Trojan.PSE.ET15YT
CynetMalicious (score: 100)
AhnLab-V3Win32/Hybris.worm.261539
BitDefenderThetaAI:Packer.682689CA1D
ALYacTrojan.GenericKD.39797778
TACHYONWorm/W32.AutoRun.524851
VBA32Worm.Autoit.Autorunner
Cylanceunsafe
PandaW32/Sohanat.GW.worm
ZonerWorm.Win32.22192
RisingWorm.Win32.AutoIt.bz (CLASSIC)
YandexTrojan.Autoit.Gen.IN
MaxSecureWorm.AutoRun.but
FortinetW32/Agent.ALS!tr
AVGAutoIt:Dropper-D [Drp]
Cybereasonmalicious.cdfdba
DeepInstinctMALICIOUS
alibabacloudWorm:Win/Yuner.B

How to remove Worm:Win32/Yuner.A?

Worm:Win32/Yuner.A 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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