Categories: Malware

Troj/Formbook-A removal guide

The Troj/Formbook-A 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 Troj/Formbook-A virus can do?

  • Executable code extraction
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs

How to determine Troj/Formbook-A?


File Info:

crc32: A5C6EEBEmd5: 91bcbab17e61cc1d2359eab4e6e8d83bname: vnc.exesha1: 95e2529f5dd7b4244e0fe36159e1bfbe14787363sha256: 6c04a0eed76b9e8c2588a4a5523bfd2c19c4c3f1c71ba379a4cae3e019188451sha512: ec83f0b423bd7a762274bc7484ebcf0117266d728fdde4484323f247978d0e19e86b6ae53dd20d8919ba1b151b98714dbd94b99ceac0efa15f9f5e616ae9a0f8ssdeep: 3072:p5utptPs4hzT2VdIPLoiEEDZKdsyQwDkLMxHQlEVRM1o3qvuS47b8g:LQmZVaTowDZKOy7SCHQlEuvdkwtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Troj/Formbook-A also known as:

MicroWorld-eScan Gen:Variant.Razy.557850
CAT-QuickHeal Trojan.GenericPMF.S2589827
McAfee GenericRXCD-ZZ!91BCBAB17E61
Cylance Unsafe
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Gen:Variant.Razy.557850
K7GW Trojan ( 00536d121 )
K7AntiVirus Trojan ( 00536d121 )
Arcabit Trojan.Razy.D8831A
Invincea heuristic
F-Prot W32/Formbook.A.gen!Eldorado
Symantec Trojan.Formbook
ESET-NOD32 a variant of Win32/Formbook.AA
APEX Malicious
ClamAV Win.Malware.Formbook-7399661-0
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Virus.Win32.Gen.ccmw
Avast Win32:Evo-gen [Susp]
Tencent Win32.Trojan.Crypt.Htce
Ad-Aware Gen:Variant.Razy.557850
Emsisoft Gen:Variant.Razy.557850 (B)
Comodo TrojWare.Win32.Swotter.A@7i7pqi
F-Secure Trojan.TR/Crypt.ZPACK.Gen
DrWeb Trojan.PWS.Banker1.29984
TrendMicro Trojan.Win32.FormBook.SM
McAfee-GW-Edition BehavesLike.Win32.VirRansom.cc
Trapmine malicious.moderate.ml.score
FireEye Generic.mg.91bcbab17e61cc1d
Sophos Troj/Formbook-A
Ikarus Trojan-Spy.FormBook
Cyren W32/Formbook.A.gen!Eldorado
Webroot W32.Trojan.Gen
Avira TR/Crypt.ZPACK.Gen
Fortinet W32/GenKryptik.AYEB!tr
Endgame malicious (high confidence)
Microsoft TrojanSpy:Win32/Swotter.A!bit
SUPERAntiSpyware Trojan.Agent/Gen-Malagent
ZoneAlarm HEUR:Trojan.Win32.Generic
AhnLab-V3 Trojan/Win32.Formbook.C3424754
Acronis suspicious
BitDefenderTheta AI:Packer.1CFA7E501E
ALYac Gen:Variant.Razy.557850
MAX malware (ai score=85)
VBA32 BScope.TrojanPSW.Banker
TrendMicro-HouseCall Trojan.Win32.FormBook.SM
Rising Stealer.Fareit!8.170 (RDMK:cmRtazrIyKmn/383wyce53seMunm)
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_65%
GData Gen:Variant.Razy.557850
AVG Win32:Evo-gen [Susp]
Cybereason malicious.17e61c
Qihoo-360 HEUR/QVM20.1.B199.Malware.Gen

How to remove Troj/Formbook-A?

  • 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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