Categories: Trojan

Trojan.Agent.EFYN removal tips

The Trojan.Agent.EFYN 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 Trojan.Agent.EFYN virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Starts servers listening on 0.0.0.0:22837
  • Drops a binary and executes it
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Looks up the external IP address
  • Sniffs keystrokes
  • Attempts to stop active services
  • A process attempted to delay the analysis task by a long amount of time.
  • Installs itself for autorun at Windows startup
  • Exhibits possible ransomware file modification behavior
  • Creates a hidden or system file
  • Creates a copy of itself
  • Attempts to disable UAC
  • Attempts to modify UAC prompt behavior

Related domains:

z.whorecord.xyz
a.tomx.xyz
whatismyipaddress.com
www.showmyipaddress.com
whatismyip.everdot.org
www.whatismyip.ca
ysdtgab.net
fxhqbrekie.net
iweihmuoy.info
vzlkxcntr.net
cmeiwptbfl.net
bnbqkccka.net
mnmliwnyek.info
dufdwmuep.org
lugnkniejs.net
ehztwatjku.info
qcgmcuwkciuo.com
eanhlzr.net
pdtdrlswhzpi.info
vvujdgejtkfz.info
dutwnhhnl.net
bfpycbf.org
eiqfblnup.info
hgjmbwngqqr.net
pkxgngg.net
jeqezwfmvff.info
hkhengv.info
wricpbyj.net
rozstlfnzkh.net
oswamk.org
zzzamdowdgfc.net
movfreoydm.net
hjretbse.net
bsembgzol.net
osciyyuews.com
fsrjzemc.info
ryzppuxlkzh.info
hojqjb.info
ulbbgwghfj.net
ddbararqkmgr.info
xgjqrmcif.com
saisciwsosiu.com
jvfihjbcrlhb.info
tzsbjcccjwu.com
dagfpebb.info
wdgqjygin.info
mexbfijiok.net
opylqcrsbxhf.net
cqkycxrsxmm.info
ymqkjynmb.info
eonunxddhucu.net
aigiewkw.com
dsjjfaa.info
cufghynd.info
qihmmc.info
rgffudhud.info
asuqowsw.com
boyrohljblbp.net
dqprwmkh.net

How to determine Trojan.Agent.EFYN?


File Info:

crc32: 77D41A61md5: 47183530ccd81db32c92aa5156d0049ename: 47183530CCD81DB32C92AA5156D0049E.mlwsha1: 3701b5a50adbcffcd200658f629bcb4db7ea39ccsha256: dc3149de3818f0c513d633fbb9d4544da845caa01a36b65727fff16c6ef43fe2sha512: e6d4cdf9696097859d085e800d5c2c81f48b93e24bce27b3fa95ca570ae1d42dcca91f6eb4cd51b13f470407b1f3327f3760159e0a3dcb8fc3cfa17c483b5c18ssdeep: 6144:G1Qv8rK3FQp4LGCr9a9n4FRm6RGMXKqCQFHgTH86JQPDHDdx/Qtqa:DOkiCpat4FU6JXKqFZgHPJQPDHvdtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Agent.EFYN also known as:

Bkav W32.FamVT.Blocker3TTc.Worm
K7AntiVirus Trojan ( 003da8d71 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen.36621
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Trojan.Agent.EFYN
Cylance Unsafe
Zillya Trojan.Blocker.Win32.40256
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.2ffc5dcf
K7GW Trojan ( 003da8d71 )
Cybereason malicious.0ccd81
Baidu Win32.Worm.Autorun.o
Cyren W32/Pykspa.A.gen!Eldorado
Symantec W32.Pykspa.D
ESET-NOD32 Win32/AutoRun.Agent.TG
Zoner Trojan.Win32.24407
APEX Malicious
Avast Win32:Renos-KY [Trj]
ClamAV Win.Worm.Pykspa-6057105-0
Kaspersky Trojan-Ransom.Win32.Blocker.jcen
BitDefender Trojan.Agent.EFYN
NANO-Antivirus Trojan.Win32.TrjGen.dxqwva
ViRobot Trojan.Win32.Blocker.Gen.B
SUPERAntiSpyware Worm.SkypeBot
MicroWorld-eScan Trojan.Agent.EFYN
Tencent Worm.Win32.Pykspa.a
Ad-Aware Trojan.Agent.EFYN
Sophos ML/PE-A + W32/Pykse-F
Comodo Worm.Win32.Autorun.Agent_TG0@1isiwy
BitDefenderTheta Gen:NN.ZexaF.34688.qnW@a0gTKuf
VIPRE Worm.Win32.Skyper.b (v)
TrendMicro WORM_VILSEL.SMC
McAfee-GW-Edition BehavesLike.Win32.Pykse.tz
FireEye Generic.mg.47183530ccd81db3
Emsisoft Trojan.Agent.EFYN (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Blocker.lia
Webroot Worm:Win32/Pykspa.C
Avira TR/Agent.327680.A
eGambit Unsafe.AI_Score_100%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Worm:Win32/Pykspa.C
AegisLab Trojan.Win32.Blocker.tpVI
ZoneAlarm Trojan-Ransom.Win32.Blocker.jcen
GData Trojan.Agent.EFYN
TACHYON Trojan/W32.Blocker.1314816.F
AhnLab-V3 Trojan/Win32.Zepfod.R397
Acronis suspicious
McAfee W32/Pykse.worm.gen.a
MAX malware (ai score=83)
VBA32 Trojan.ChidikSun.28205
Malwarebytes Generic.Worm.Agent.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VILSEL.SMC
Rising Worm.Autorun!1.BC87 (CLOUD)
Yandex Trojan.GenAsa!R41E4MI3PTc
Ikarus Trojan.Win32.AntiAV
MaxSecure Trojan.Ransom.Blocker.iprw
Fortinet W32/Agent.XEK!tr
AVG Win32:Renos-KY [Trj]
Paloalto generic.ml

How to remove Trojan.Agent.EFYN?

  • 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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