Categories: Malware

About “Win32/Injector.YSC” infection

The Win32/Injector.YSC 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/Injector.YSC virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Executed a process and injected code into it, probably while unpacking
  • 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 Win32/Injector.YSC?


File Info:

crc32: A1BEC6E6md5: 3408cf9e0307075c73ffbe5ac7dbd884name: 3408CF9E0307075C73FFBE5AC7DBD884.mlwsha1: 689101121c6fce3818f7a2e630ab842c5b3e34c0sha256: 4b83c38430785ecfb289636f63ae3347e6613c8acf8f4920a42e875a49fb79ebsha512: 40eb747cd070b1be55e5c603e39b7a327375a5b61aaae61d9c385a2fc2c960d6fb2a874fad338e8c95f63a293b757bcc9c38ddad14f04343346a5651c6d8539fssdeep: 3072:ChKoGixHh1nSfVo2j4Br2tXWjwXzTibqu:aKo51SSz4WjwjTlutype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Win32/Injector.YSC also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Siggen4.36450
Cynet Malicious (score: 99)
ALYac Gen:Heur.Zygug.6
Cylance Unsafe
Sangfor Trojan.Win32.Zygug.6
CrowdStrike win/malicious_confidence_70% (D)
Cybereason malicious.e03070
Cyren W32/Hamweq.D.gen!Eldorado
ESET-NOD32 a variant of Win32/Injector.YSC
APEX Malicious
Avast Win32:Cryptor
Kaspersky Trojan-Ransom.Win32.Foreign.nwos
BitDefender Gen:Heur.Zygug.6
NANO-Antivirus Trojan.Win32.Symmi.entshu
ViRobot Trojan.Win32.A.Foreign.121344.D
MicroWorld-eScan Gen:Heur.Zygug.6
Tencent Win32.Trojan.Foreign.tsi
Ad-Aware Gen:Heur.Zygug.6
Sophos ML/PE-A + Mal/EncPk-AHQ
Comodo TrojWare.Win32.PWS.ZBot.AAA@4sq88d
BitDefenderTheta Gen:NN.ZexaF.34690.hGW@aK1!L0ki
VIPRE Trojan.Win32.Encpk.ahq (v)
TrendMicro TROJ_RANSOM.SMWX
McAfee-GW-Edition PWS-Zbot.gen.apx
FireEye Generic.mg.3408cf9e0307075c
Emsisoft Gen:Heur.Zygug.6 (B)
Jiangmin Trojan/Foreign.bdz
Webroot W32.Rogue.Gen
Avira TR/Dropper.Gen7
Antiy-AVL Trojan/Generic.ASMalwS.34D739
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Tobfy.A
AegisLab Trojan.Win32.Foreign.j!c
ZoneAlarm Trojan-Ransom.Win32.Foreign.nwos
GData Gen:Heur.Zygug.6
AhnLab-V3 Spyware/Win32.Zbot.R43185
McAfee PWS-Zbot.gen.apx
MAX malware (ai score=87)
VBA32 Worm.Dorkbot.1312
Panda Generic Malware
TrendMicro-HouseCall TROJ_RANSOM.SMWX
Rising Ransom.Tobfy!8.339 (CLOUD)
Yandex Trojan.Injector!O/X9JvUHMzU
Ikarus Trojan.Win32.Buzus
Fortinet W32/Ransom.AAX!tr
AVG Win32:Cryptor

How to remove Win32/Injector.YSC?

  • 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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