PUA

About “PUA:Win32/DNSHelper” infection

Malware Removal

The PUA:Win32/DNSHelper 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 PUA:Win32/DNSHelper virus can do?

  • Presents an Authenticode digital signature
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine PUA:Win32/DNSHelper?



File Info:

name: 690CEA28BDFA36866029.mlw
path: /opt/CAPEv2/storage/binaries/ec9e0011523cf9afc30eac5b21f2cc2271d3f7c92238a6ae3e66f476a271762e
crc32: 0E35BCE2
md5: 690cea28bdfa368660298cc9da0a2f9c
sha1: 70cb2a4732f7c074b6b49715d4b3f66dc659fd63
sha256: ec9e0011523cf9afc30eac5b21f2cc2271d3f7c92238a6ae3e66f476a271762e
sha512: 654924973297620e306f4c8363958bc887aec80f8a7e09965349f478adcd0753619d6aaf85aa1b70dc022fdb13fd07652c52dd123f5f3f33cef460bd7cdc6bed
ssdeep: 3072:wX1C6S8jD7du9PeU8hvDaNqrxdpGoiX20XkfP3eX+EtktVU8iQxc/ZGQ91:qsF6fQNLgp3immMPuXsGLL8Q91
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T183146B20B7D1C076D57305B129F8AB7A647DF9311B6958D7F3880B2E28306E0AB35B5B
sha3_384: 7db094a7e5adcebc5f6bee2177d9d89e2484e7d09977eb36d3c4d56d34cec4f77094b41ffc4750defbd6d3af548d512c
ep_bytes: e8825f0000e97ffeffff558bec5633f6
timestamp: 1997-10-18 20:44:12


Version Info:

0: [No Data]

PUA:Win32/DNSHelper also known as:

BkavW32.AIDetect.malware2
LionicAdware.Win32.ExtCrome.2!c
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.38769690
FireEyeGeneric.mg.690cea28bdfa3686
CAT-QuickHealPUA.Yangliwei.Gen
McAfeeArtemis!690CEA28BDFA
SangforAdware.Win32.ExtCrome.gen
SymantecML.Attribute.HighConfidence
APEXMalicious
Kasperskynot-a-virus:HEUR:AdWare.Win32.ExtCrome.gen
BitDefenderTrojan.GenericKD.38769690
NANO-AntivirusRiskware.Win32.Mutabaha.ecgyzq
Ad-AwareTrojan.GenericKD.38769690
EmsisoftTrojan.GenericKD.38769690 (B)
DrWebAdware.Mutabaha.1168
ZillyaTrojan.Agent.Win32.879463
TrendMicroTROJ_GEN.R002C0WAU22
McAfee-GW-EditionBehavesLike.Win32.PUP.ch
SophosGeneric PUA HA (PUA)
GDataTrojan.GenericKD.38769690
JiangminAdWare.ExtCrome.al
ViRobotAdware.Mutabaha.202240
MicrosoftPUA:Win32/DNSHelper
CynetMalicious (score: 100)
ALYacTrojan.GenericKD.38769690
MAXmalware (ai score=86)
VBA32suspected of Trojan.Downloader.gen
TrendMicro-HouseCallTROJ_GEN.R002C0WAU22
RisingTrojan.Generic@AI.84 (RDML:3ZGwYDJ6M6S1EzsazqlkSw)
YandexTrojan.GenAsa!oKFYB+avKTA
SentinelOneStatic AI – Suspicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/CoinMiner.F
PandaTrj/GdSda.A

How to remove PUA:Win32/DNSHelper?

PUA:Win32/DNSHelper 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.

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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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