Categories: Malware

About “Win32/Packed.FlyStudio.AA potentially unwanted” infection

The Win32/Packed.FlyStudio.AA 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/Packed.FlyStudio.AA potentially unwanted virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Reads data out of its own binary image
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Tries to unhook or modify Windows functions monitored by Cuckoo

Related domains:

blog.sina.com.cn

How to determine Win32/Packed.FlyStudio.AA potentially unwanted?


File Info:

crc32: 16E5F8D8md5: 0445a0399d8e841e0fd6773b21fb11c9name: WT-JS.exesha1: 0046b77df127a2f7e42db2dcafb09cae5d9fb4bdsha256: 06a15c91a7ade5db7d9707a1c1feac80433d61f9cff600317f29106987b35049sha512: 41fb1799461997b49ea159c88aaa4a934fe2a2215c795ad3fdb966598a2fd38ddb290176ae2f2b1281358e8acc54547811f2c87278040e0388d3b9e43f43e4aessdeep: 24576:8D22Jxj4hed4OICYzgI9RP+LDo0mvfyvFQQBunOL9fiPWui5///EV1gQ:fo4cddIH/R6D8KvF7N9fCWuK//EYtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: FreeFileVersion: 1.6.0.0CompanyName: NLiger2017Comments: JScriptx8c03x8bd5x5668ProductName: WT-JSProductVersion: 1.6.0.0FileDescription: x5c81x6708x65e0x58f0Translation: 0x0804 0x04b0

Win32/Packed.FlyStudio.AA potentially unwanted also known as:

MicroWorld-eScan Gen:Variant.Ursu.44436
ALYac Gen:Variant.Ursu.44436
Cylance Unsafe
K7AntiVirus Trojan ( 005246d51 )
K7GW Trojan ( 005246d51 )
Cybereason malicious.99d8e8
Invincea heuristic
Cyren W32/OnlineGames.HI.gen!Eldorado
Symantec ML.Attribute.HighConfidence
TrendMicro-HouseCall TROJ_GEN.R00AC0WHE18
Paloalto generic.ml
GData Gen:Variant.Ursu.44436
Kaspersky Trojan-Downloader.Win32.Upatre.gydw
BitDefender Gen:Variant.Ursu.44436
Avast Win32:Malware-gen
Endgame malicious (moderate confidence)
Sophos Generic PUA AA (PUA)
F-Secure Gen:Variant.Ursu.44436
TrendMicro TROJ_GEN.R00AC0WHE18
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Emsisoft Gen:Variant.Ursu.44436 (B)
SentinelOne static engine – malicious
F-Prot W32/OnlineGames.HI.gen!Eldorado
Avira TR/Agent.fgreq
Arcabit Trojan.Ursu.DAD94
ZoneAlarm Trojan-Downloader.Win32.Upatre.gydw
Microsoft PUA:Win32/Presenoker
McAfee Artemis!0445A0399D8E
MAX malware (ai score=99)
ESET-NOD32 a variant of Win32/Packed.FlyStudio.AA potentially unwanted
Fortinet W32/Generic_PUA_AA
Ad-Aware Gen:Variant.Ursu.44436
AVG Win32:Malware-gen
Panda Trj/GdSda.A
Qihoo-360 Win32/Trojan.Downloader.197

How to remove Win32/Packed.FlyStudio.AA 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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