Malware

About “Win32/Agent.YLR” infection

Malware Removal

The Win32/Agent.YLR 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 Win32/Agent.YLR virus can do?

  • Sample contains Overlay data
  • 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.
  • Authenticode signature is invalid
  • Anomalous binary characteristics
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Win32/Agent.YLR?


File Info:

name: FE3F6861A0CC747B44AB.mlw
path: /opt/CAPEv2/storage/binaries/2478eefb57ebe80cda458dff23af8012e6a1c4f1921d393f954df7243cbf3828
crc32: 8CF308A1
md5: fe3f6861a0cc747b44abda2a4815476c
sha1: b53f99faf652211311ab2a711da7bac3290b7b31
sha256: 2478eefb57ebe80cda458dff23af8012e6a1c4f1921d393f954df7243cbf3828
sha512: 6bb739e5b8bb341895ae021d022f0b154b40efd34c1de7c02d3b145adad0ad46c1239c105271c00ff74ae068fceeb7d4e2fe81d558bbcb1a4babbae84ff3f96b
ssdeep: 49152:kZlD4I7MAOJLrxaIPyEg+y5LioMuRRCPEUVG3q85CZNP5B:+lEOMAIxBbyJinuR6VYq85CZNP5B
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1EA95129AFB5193B2D15401B4B946CBEB393A7CB90B52DDC336C6160D2D221C2AB73B53
sha3_384: 8045eaf74fa807bad91c144772b603f6ac841ebaa27dfbb000cb224c6f1b6eb6b15cb8fcc94649f9027e6cb3e8575a87
ep_bytes: e87f3e0000e97ffeffff3b0d70e65b00
timestamp: 2014-02-12 15:17:43

Version Info:

ProductName: WinRAR
CompanyName: Alexander Roshal
FileDescription: WinRAR archiver
FileVersion: 4.1.0
ProductVersion: 4.1.0
InternalName: WinRAR
LegalCopyright: Copyright © Alexander Roshal 1993-2011
OriginalFilename: WinRAR.exe
Translation: 0x0000 0x0000

Win32/Agent.YLR also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.Salgorea.m!c
tehtrisGeneric.Malware
DrWebTrojan.MulDrop11.49159
MicroWorld-eScanTrojan.GenericKDZ.94919
FireEyeGeneric.mg.fe3f6861a0cc747b
SkyhighBehavesLike.Win32.Generic.tc
McAfeeGenericRXMX-YH!FE3F6861A0CC
MalwarebytesGeneric.Malware.AI.DDS
ZillyaTrojan.Agent.Win32.1576682
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 004e16831 )
BitDefenderTrojan.GenericKDZ.94919
K7GWTrojan ( 004e16831 )
CrowdStrikewin/malicious_confidence_100% (W)
BitDefenderThetaGen:NN.ZexaF.36792.113@aaglr0ii
SymantecML.Attribute.HighConfidence
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Agent.YLR
APEXMalicious
ClamAVWin.Malware.Bskd-9753126-0
KasperskyUDS:Backdoor.Win32.Generic
AlibabaBackdoor:Win32/Generic.272
NANO-AntivirusTrojan.Win32.Jaik.idvrio
RisingTrojan.Agent!1.B332 (CLASSIC)
SophosTroj/Agent-BAII
F-SecureTrojan.TR/Crypt.ZPACK.Gen4
VIPRETrojan.GenericKDZ.94919
TrendMicroTROJ_GEN.R002C0DKA23
Trapminemalicious.high.ml.score
EmsisoftTrojan.GenericKDZ.94919 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=87)
JiangminBackdoor.Generic.bixf
WebrootW32.Trojan.Gen
GoogleDetected
AviraTR/Crypt.ZPACK.Gen4
VaristW32/S-940fb6f7!Eldorado
Antiy-AVLTrojan[Dropper]/Win32.Agent
MicrosoftTrojan:Win32/Remcos.AUT!MTB
XcitiumTrojWare.Win32.Salgorea.RPR@7tcxjx
ArcabitTrojan.Generic.D172C7
ZoneAlarmUDS:Backdoor.Win32.Generic
GDataWin32.Trojan.PSE1.Q72RHH
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.YH.C5396909
VBA32Trojan.MulDrop
ALYacTrojan.GenericKDZ.94919
TACHYONBackdoor/W32.Agent.1928443
DeepInstinctMALICIOUS
Cylanceunsafe
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_GEN.R002C0DKA23
TencentTrojan.Win32.Remcos.wb
IkarusTrojan.Win32.Agent
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Agent.YLR!tr
AVGWin32:Evo-gen [Trj]
Cybereasonmalicious.af6522
AvastWin32:Evo-gen [Trj]

How to remove Win32/Agent.YLR?

Win32/Agent.YLR 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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