Categories: Malware

How to remove “Win32/Agent.NHB”?

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

  • Attempts to connect to a dead IP:Port (3 unique times)
  • Possible date expiration check, exits too soon after checking local time
  • Starts servers listening on 0.0.0.0:3159
  • Drops a binary and executes it
  • Performs some HTTP requests
  • A process attempted to delay the analysis task by a long amount of time.
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization
  • Creates a copy of itself
  • Makes SMTP requests, possibly sending spam or exfiltrating data.
  • Creates a slightly modified copy of itself

Related domains:

qanrmqnprn.info
ma1-aaemail-dr-lapp01.apple.com
ma1-aaemail-dr-lapp02.apple.com
ma1-aaemail-dr-lapp03.apple.com
rn-mailsvcp-ppex-lapp14.apple.com
rn-mailsvcp-ppex-lapp15.apple.com
rn-mailsvcp-ppex-lapp24.apple.com
rn-mailsvcp-ppex-lapp34.apple.com
rn-mailsvcp-ppex-lapp35.apple.com
rn-mailsvcp-ppex-lapp44.apple.com
rn-mailsvcp-ppex-lapp45.apple.com
pb-mx20.pobox.com
mx01.oxsus-vadesecure.net
mxa-00377f03.gslb.pphosted.com
mxb-00377f03.gslb.pphosted.com
mx02.oxsus-vadesecure.net
mxb-00377f01.gslb.pphosted.com
mx03.oxsus-vadesecure.net
mx04.oxsus-vadesecure.net
mx.cam.ac.uk
ismtp.sitestar.everyone.net
mqprparnws.in
arnqarwmsn.com
onlineconnections.com.au
hqqhmeqhes.net
mx2-lw-us.apache.org
mx1-lw-us.apache.org
mx1-lw-eu.apache.org
mx2-lw-eu.apache.org
phhpqhqaqh.in
sanppqeqsa.biz
aawemqshra.com
mhwqeramar.in
nqrwnmsmpn.us
eqmmrhsmsh.ws
paqhmsphpn.in
msenmmqrna.in
qpmrpawwhh.info
sqmnnsppah.biz
mxbiz1.qq.com
rpnraaswhh.org
wpweweaeea.in
digicool.com
qapsramhma.info
epqwhmwswa.ws
aarrnepnsh.com
smmrhhpwms.biz
ahmqsnmwnh.com
mail.python.org
eremwwqwah.ws
aasanwwrqn.com
hrnnsmsnen.net
in2-smtp.messagingengine.com
in1-smtp.messagingengine.com

How to determine Win32/Agent.NHB?


File Info:

crc32: 54330901md5: 2f8f8012ebb28563cc02c5fd13331a77name: 2F8F8012EBB28563CC02C5FD13331A77.mlwsha1: 1a2fbf934df02869dc7a563501835e1feb5f6b5csha256: 0ea327b5a6eb09b51bd1337c2b29e9fd4cbfa11a083736b47188884ffca7e2bfsha512: 92326e07db24f96b8f56e5b2b4f7d19dfcaa255592ec0de3f38ee585d5fa50d8a9038f65924b4b39125254ec234783beb003057289bcc995e1edf2afcd10f18cssdeep: 3072:rOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPP:rIs9OKofHfHTXQLzgvnzHPowYbvrjD/type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Win32/Agent.NHB also known as:

Bkav W32.AIDetectVM.malware1
K7AntiVirus Trojan ( 004d7c651 )
DrWeb Trojan.DownLoader8.56532
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Small.S5091480
ALYac Trojan.GenericKDZ.66635
Malwarebytes Worm.MyDoom
Zillya Dropper.Mudrop.Win32.4765
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
Alibaba TrojanDropper:Win32/Small.cb3233f2
K7GW Trojan ( 004d7c651 )
Cybereason malicious.2ebb28
TrendMicro TROJ_GEN.R002C0DE620
Cyren W32/S-e4365596!Eldorado
Symantec W32.Mydoom.B@mm
ESET-NOD32 a variant of Win32/Agent.NHB
APEX Malicious
Avast Win32:Mydoom-BJ [Wrm]
ClamAV Win.Dropper.Mudrop-6801241-0
GData Trojan.GenericKDZ.66635
Kaspersky Trojan.Win32.Small.acli
BitDefender Trojan.GenericKDZ.66635
NANO-Antivirus Trojan.Win32.Mudrop.ijmve
SUPERAntiSpyware Trojan.Agent/Gen-MalPE
MicroWorld-eScan Trojan.GenericKDZ.66635
Tencent Malware.Win32.Gencirc.10b0c1b8
Ad-Aware Trojan.GenericKDZ.66635
Sophos Mal/Behav-104
Comodo Packed.Win32.MUPX.Gen@24tbus
F-Secure Trojan.TR/Proxy.Gen
BitDefenderTheta AI:Packer.4BC13D7B1D
VIPRE BehavesLike.Win32.Malware.ssc (mx-v)
Invincea heuristic
Trapmine malicious.high.ml.score
FireEye Generic.mg.2f8f8012ebb28563
Emsisoft Trojan.GenericKDZ.66635 (B)
F-Prot W32/S-e4365596!Eldorado
Endgame malicious (high confidence)
Avira TR/Proxy.Gen
Antiy-AVL Trojan[Dropper]/Win32.Mudrop
Microsoft Trojan:Win32/Mydoom
Jiangmin TrojanDropper.Mudrop.bpo
Arcabit Trojan.Generic.D1044B
AegisLab Trojan.Win32.Small.tpLR
ZoneAlarm Trojan.Win32.Small.acli
TACHYON Trojan/W32.Agent.121344.BDA
AhnLab-V3 Dropper/Win32.Mudrop.C84237
Acronis suspicious
McAfee W32/Mytob.gen@MM.i
MAX malware (ai score=80)
VBA32 BScope.Trojan-Spy.Zbot
Panda W32/MyDoom.IC.worm
TrendMicro-HouseCall TROJ_GEN.R002C0DE620
Rising Trojan.Agent!1.C364 (CLOUD)
Yandex Trojan.DR.Mudrop!8eYttnhsld8
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_100%
Fortinet W32/Agent.NHB!worm
AVG Win32:Mydoom-BJ [Wrm]
Qihoo-360 Win32/Trojan.8e6

How to remove Win32/Agent.NHB?

  • 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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