Categories: Malware

About “Win32/DownloadSponsor.C potentially unwanted” infection

The Win32/DownloadSponsor.C potentially unwanted 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Win32/DownloadSponsor.C potentially unwanted virus can do?

  • Creates RWX memory
  • Attempts to connect to a dead IP:Port (5 unique times)
  • Drops a binary and executes it
  • Performs some HTTP requests
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Attempts to create or modify system certificates
  • Anomalous binary characteristics

Related domains:

ocsp.usertrust.com
crl.usertrust.com
crl.comodoca.com
ocsp.comodoca.com

How to determine Win32/DownloadSponsor.C potentially unwanted?


File Info:

crc32: 722DCC3Bmd5: 203eee1cd84a44f8c3ca518ac139c654name: 203EEE1CD84A44F8C3CA518AC139C654.mlwsha1: 38e30b4043160c5270aa5b7471df0bdfea10266esha256: f8582f957f0e954b88797c079a26219a7df70cbe0fd040ebe7d6b62fa72ee488sha512: 0671570b55ed4df838172aa40fe43a37d310958608a0cf3129d37c931eb6804ba5f6cc969cd01c646fecf65ab06b78ae524129525d21b80f98edc4b6609486edssdeep: 49152:+Vg5tjVY5Ug5IYtWY2YPM5DYtWYnYPh5:Ag5Jptype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 2017 Chip Digital GmbHProductVersion: 2.1.4.4FileVersion: 2.1.4.4Comments: CHIP Secured InstallerFileDescription: CHIP Secured InstallerTranslation: 0x0407 0x04b0

Win32/DownloadSponsor.C potentially unwanted also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Adware.Covus.33
Cynet Malicious (score: 99)
CAT-QuickHeal Downloader.AutoIT.Agent.A
Sangfor Virus.Win32.Save.a
Cybereason malicious.043160
Cyren W32/DownloadSponsor.B.gen!Eldorado
Symantec PUA.DownloadSponsor
ESET-NOD32 Win32/DownloadSponsor.C potentially unwanted
APEX Malicious
Avast Win32:PUP-gen [PUP]
ClamAV Win.Dropper.DarkKomet-9164386-0
Kaspersky Trojan.Win32.Startun.cji
NANO-Antivirus Riskware.Script.Downware.evryrn
Sophos Generic PUA DI (PUA)
VIPRE Trojan.Win32.Generic!BT
TrendMicro PUA.MSIL.DownloadSponsor.SMDR
McAfee-GW-Edition BehavesLike.Win32.Generic.th
FireEye Generic.mg.203eee1cd84a44f8
Emsisoft Application.AdLoad (A)
Avira TR/Redcap.otvrb
eGambit Unsafe.AI_Score_73%
Antiy-AVL Trojan/Generic.ASCommon.1B7
Microsoft Trojan:Win32/Wacatac.B!ml
AhnLab-V3 PUP/Win32.DownloadSponsor.C1754383
McAfee Artemis!203EEE1CD84A
VBA32 Downloader.MSIL.DownloadSponsor
Malwarebytes PUP.Optional.ChipDe
TrendMicro-HouseCall PUA.MSIL.DownloadSponsor.SMDR
Rising PUF.DownloadSponsor!1.BE33 (CLASSIC)
Yandex PUA.Downloader!85N5hx2iwBg
Ikarus PUA.DownloadSponsor
MaxSecure Downloader.DownloadSponsor.pe
Fortinet AutoIt/Dloader.SM!tr
AVG Win32:PUP-gen [PUP]

How to remove Win32/DownloadSponsor.C potentially unwanted?

  • 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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