Categories: Malware

Should I remove “Win32:Downloader-FDN [Trj]”?

The Win32:Downloader-FDN [Trj] 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:Downloader-FDN [Trj] virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • A process attempted to delay the analysis task.
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Checks the system manufacturer, likely for anti-virtualization
  • Creates a slightly modified copy of itself
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

Related domains:

ns1.player1253.com
ns1.videoall.net
ns1.mediashares.org

How to determine Win32:Downloader-FDN [Trj]?


File Info:

crc32: 74FE6334md5: 93acf22c396a462ebdfae1db7a48e7caname: 93ACF22C396A462EBDFAE1DB7A48E7CA.mlwsha1: 14eb2b7c9d98e67960fda9259a45c89a8142107csha256: f042aeb05d9a4d9f663afd61809fc8219109ca1c807ff31a68efdd61121cacb9sha512: b1c9d38e4dd10caeaa65a1917bb7c6cb213b8f096867e57489ab5e280e20a3fc0ea28d42fb690711b6e28425e8845bb3f27893370903e1d83d0136f326de68d7ssdeep: 1536:QYo/qlMmLkndpaJtw/0vdcUMaGClts821rnV1Xzow5YBfkIlEYokVHm8s5o/4T2:dorldGj/tm1VNDL0L/RSRDIy5lb5zGqtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0InternalName: MdCZr372FileVersion: 6.95CompanyName: MdCZr372ProductName: MdCZr8354ProductVersion: 6.95OriginalFilename: MdCZr372.exe

Win32:Downloader-FDN [Trj] also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.VBKrypt.23
FireEye Generic.mg.93acf22c396a462e
McAfee Downloader-CJX.gen.o
Cylance Unsafe
VIPRE Trojan.Win32.Vobfus.a (v)
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Gen:Variant.VBKrypt.23
K7GW Trojan-Downloader ( 001ff72a1 )
K7AntiVirus Trojan-Downloader ( 001ff72a1 )
Baidu Win32.Worm.AutoRun.cj
Cyren W32/VB.BR.gen!Eldorado
Symantec W32.Changeup!gen10
TotalDefense Win32/Vobfus.I!generic
APEX Malicious
Avast Win32:Downloader-FDN [Trj]
ClamAV Win.Trojan.Changeup-6169544-0
Kaspersky Worm.Win32.Vobfus.djot
NANO-Antivirus Trojan.Win32.Autoruner.coonkc
ViRobot Trojan.Win32.A.VBKrypt.253952.DR
Rising Worm.Agent!1.D163 (CLASSIC)
Ad-Aware Gen:Variant.VBKrypt.23
Emsisoft Gen:Variant.VBKrypt.23 (B)
Comodo Worm.Win32.VB.YK@4on4m7
F-Secure Trojan.TR/Dropper.Gen
DrWeb Win32.HLLW.Autoruner.42119
TrendMicro WORM_VBNA.SMTB
McAfee-GW-Edition BehavesLike.Win32.VBObfus.dm
Sophos ML/PE-A + Mal/SillyFDC-I
Ikarus Worm.Win32.VBNA
Avira TR/Dropper.Gen
MAX malware (ai score=89)
Antiy-AVL Worm/Win32.WBNA.gen
Microsoft Worm:Win32/Vobfus.gen!E
Arcabit Trojan.VBKrypt.23
SUPERAntiSpyware Trojan.Agent/Gen-Downloader
ZoneAlarm Worm.Win32.Vobfus.djot
GData Gen:Variant.VBKrypt.23
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.VBKrypt.R2546
Acronis suspicious
BitDefenderTheta AI:Packer.F9D8759420
ALYac Gen:Variant.VBKrypt.23
TACHYON Worm/W32.Vobfus.253952.B
VBA32 Trojan.VBRA.06010
Malwarebytes Vobfus.Worm.Evasion.DDS
Panda Trj/Genetic.gen
ESET-NOD32 Win32/AutoRun.VB.YK
TrendMicro-HouseCall WORM_VBNA.SMTB
Yandex Trojan.GenAsa!kzGc1bM1Y3c
SentinelOne Static AI – Malicious PE – Worm
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/AutoRun.XM!worm
AVG Win32:Downloader-FDN [Trj]
Qihoo-360 HEUR/QVM03.0.061F.Malware.Gen

How to remove Win32:Downloader-FDN [Trj]?

  • 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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