Categories: Trojan

Should I remove “Trojan.Win32.Fsysna.pef”?

The Trojan.Win32.Fsysna.pef 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 Trojan.Win32.Fsysna.pef virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Expresses interest in specific running processes
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Nepali
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Accessed credential storage registry keys
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Trojan.Win32.Fsysna.pef?


File Info:

name: 3B727043230A7B7AA540.mlwpath: /opt/CAPEv2/storage/binaries/6eb691c9b5b65820dcd44e59f78f22bb9c3b2495e1b7b70a7aba261f458125c1crc32: 8DB0B8B2md5: 3b727043230a7b7aa5406601ad7bfa0csha1: d1c55ada3d94e8b39f92f97007201f38f4a4f7f0sha256: 6eb691c9b5b65820dcd44e59f78f22bb9c3b2495e1b7b70a7aba261f458125c1sha512: 182885ee34c57397464ed5f7007982629843677a0fcd437bea4d60047a3e2793ce5b671feaddbfc068a13e538eded9e519bd7be74898cd8e722088f9cd9c400essdeep: 98304:mZ+xncYc6WnBSAN6ukZjYIYRgYmQGN0bdjKDBoWJN8f97r0hBpkg:mZ+9cd6ZlD8IUg8W0bd+DBoANJTtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1DE1633523290C532C46B20B24561E7B59DB6F031962B568FFBD84FBD2F353C16A2B34Asha3_384: f630e184aaff83586c26a5bf56d9f440415a94689c5007156553bc24b45629f7afb3386314d6d2387bf4aab29510188dep_bytes: e8db830000e978feffff8bff558bec83timestamp: 2021-04-09 04:58:14

Version Info:

FileVers: 7.0.4.24ProductVersa: 7.0.25.71InternalName: reaLatimasLegalCopyrighd: JdfglsdffaTranslations: 0x0169 0x0301

Trojan.Win32.Fsysna.pef also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Convagent.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Siggen15.63207
MicroWorld-eScan Trojan.GenericKD.47571189
FireEye Generic.mg.3b727043230a7b7a
McAfee Packed-GBE!3B727043230A
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.3639519
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0058b6981 )
Alibaba Trojan:Win32/Azorult.285cd724
K7GW Trojan ( 0058b6981 )
Cybereason malicious.a3d94e
BitDefenderTheta Gen:NN.ZexaF.34084.@t1@aSd!xdiG
Cyren W32/Kryptik.FXB.gen!Eldorado
Symantec Packed.Generic.620
ESET-NOD32 a variant of Win32/Kryptik.HNOM
TrendMicro-HouseCall TROJ_FRS.VSNTL521
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Fsysna.pef
BitDefender Trojan.GenericKD.47571189
Avast Win32:CrypterX-gen [Trj]
Tencent Win32.Trojan.Falsesign.Llre
Ad-Aware Trojan.GenericKD.47571189
Emsisoft Trojan.GenericKD.47571189 (B)
TrendMicro TROJ_FRS.VSNTL521
McAfee-GW-Edition Packed-GBE!3B727043230A
Sophos Mal/Generic-R + Troj/Krypt-BO
Ikarus Trojan.Win32.Azorult
Jiangmin Trojan.Fsysna.nmw
Avira TR/Crypt.Agent.rsymq
Antiy-AVL Trojan/Generic.ASMalwS.34E7002
Gridinsoft Ransom.Win32.Sabsik.sa
Microsoft Trojan:Win32/Azorult.RM!MTB
GData Trojan.GenericKD.47571189
Cynet Malicious (score: 100)
AhnLab-V3 CoinMiner/Win.Glupteba.R456355
VBA32 Malware-Cryptor.2LA.gen
ALYac Trojan.GenericKD.47571189
MAX malware (ai score=89)
Malwarebytes Trojan.MalPack.GS
APEX Malicious
Yandex Trojan.Fsysna!j611Xe2S0k0
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.HNOM!tr
AVG Win32:CrypterX-gen [Trj]
Panda Trj/GdSda.A
MaxSecure Trojan.Malware.300983.susgen

How to remove Trojan.Win32.Fsysna.pef?

  • 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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