Categories: Trojan

MemScan:Trojan.Dropper.YRL removal instruction

The MemScan:Trojan.Dropper.YRL 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 MemScan:Trojan.Dropper.YRL virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Possible date expiration check, exits too soon after checking local time
  • Detected script timer window indicative of sleep style evasion
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • A scripting utility was executed
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Anomalous binary characteristics

How to determine MemScan:Trojan.Dropper.YRL?


File Info:

crc32: 3F037C70md5: 21ccaef3d057c612ad68af79bff71c01name: 21CCAEF3D057C612AD68AF79BFF71C01.mlwsha1: 26fe6278837150f0cadf2166e792dcd533aca2b9sha256: b68c19a8cb250df12f5f7a9a8a6a7950fcf13db08521aef7f1db0d4fe07d0ce3sha512: 775a3f215f09c2ec8756d814a953d1d46d7fd3cd63aa669158821305921c3a3d6dd0b202c745c5dda9f42e56622049c9572e2a3a495f68b37b08288d81a9f923ssdeep: 1536:cAhTyTTFQNC13U4rtnDb4tmJtwPT9KGjkLkNAsaEk:BhT2137DYmJtw7fuFXtype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

MemScan:Trojan.Dropper.YRL also known as:

K7AntiVirus Trojan ( 0046c2461 )
Lionic Trojan.Win32.Generic.l4OI
Elastic malicious (high confidence)
DrWeb BackDoor.Spy.2437
Cynet Malicious (score: 100)
CAT-QuickHeal Backdoor.Farfli.33028
ALYac MemScan:Trojan.Dropper.YRL
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Backdoor:Win32/Zegost.e
K7GW Trojan ( 0046c2461 )
Cybereason malicious.3d057c
Baidu Win32.Trojan.Agent.atj
Cyren W32/Trojan.ANWT-7143
Symantec SMG.Heur!gen
ESET-NOD32 Win32/Agent.QID
Zoner Trojan.Win32.28054
APEX Malicious
Avast Win32:Dropper-ODE [Drp]
ClamAV Win.Trojan.Farfli-9829623-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender MemScan:Trojan.Dropper.YRL
NANO-Antivirus Trojan.Win32.Farfli.dbsqsq
MicroWorld-eScan MemScan:Trojan.Dropper.YRL
Tencent Win32.Trojan.Staser.Hqvs
Ad-Aware MemScan:Trojan.Dropper.YRL
Comodo Backdoor.Win32.Farfli.AC@77g02n
BitDefenderTheta AI:Packer.3518E8ED1F
VIPRE Trojan.Win32.Generic!BT
TrendMicro BKDR_ZEGOST.SM40
McAfee-GW-Edition BehavesLike.Win32.Dropper.qc
FireEye Generic.mg.21ccaef3d057c612
Emsisoft MemScan:Trojan.Dropper.YRL (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Backdoor/Farfli.iw
Avira TR/Beaugrit.aba
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASBOL.246F
Kingsoft Win32.Hack.Farfli.h.(kcloud)
Microsoft Backdoor:Win32/Zegost.CD!bit
Arcabit Trojan.Dropper.YRL
GData MemScan:Trojan.Dropper.YRL
McAfee Artemis!21CCAEF3D057
MAX malware (ai score=86)
VBA32 BScope.Trojan.Wacatac
Malwarebytes Backdoor.Farfli
Panda Trj/CI.A
TrendMicro-HouseCall BKDR_ZEGOST.SM40
Rising Backdoor.Fusing!1.BCB6 (CLASSIC)
Yandex Backdoor.Farfli!v+/omUPj8WE
Ikarus Backdoor.Win32.Farfli
Fortinet W32/Agent.QRW!tr
AVG Win32:Dropper-ODE [Drp]
Paloalto generic.ml

How to remove MemScan:Trojan.Dropper.YRL?

  • 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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