Categories: Trojan

TrojanDropper:Win32/Pistolar!pz removal tips

The TrojanDropper:Win32/Pistolar!pz 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 TrojanDropper:Win32/Pistolar!pz virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Attempts to masquerade or mimic a legitimate process or file name
  • Attempts to modify Explorer settings to prevent file extensions from being displayed
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine TrojanDropper:Win32/Pistolar!pz?


File Info:

name: DB16327A59BBFC76DF31.mlwpath: /opt/CAPEv2/storage/binaries/daa317a4f2f0a02bab991024899ce2ae61a2f9f0078e9d1d20c6e17cb6e00a6ccrc32: 8A4A4BA1md5: db16327a59bbfc76df31e75746a93f75sha1: cbec90e75806fb5d686704f1b7f8347f248b523asha256: daa317a4f2f0a02bab991024899ce2ae61a2f9f0078e9d1d20c6e17cb6e00a6csha512: 5e3ea59d16f84ea831e9376f1c3dec9c1a5535489b52945e54ab43564a0b41310eff0867c91f93d414f9bc1f07016d11df243300df59f6b723bfeed54496dd65ssdeep: 12288:q6Wq4aaE6KwyF5L0Y2D1PqLy6Wq4aaE6KwyF5LY:IthEVaPqLwthEotype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E09412EF72A8B512D87C12B2E9430282C1B0766567FCDB7BB01075175C9F1016EABB9Dsha3_384: cb92f8435c733960b6eee7a4b51370e9902e896f2dec3f105777a1f814f2d751dec0389bb3dfeb88493fa6e7c0ec991eep_bytes: 60be007047008dbe00a0f8ff57eb0b90timestamp: 2012-01-29 22:49:21

Version Info:

FileDescription: FileVersion: 3, 3, 8, 1CompiledScript: AutoIt v3 Script: 3, 3, 8, 1Translation: 0x0809 0x04b0

TrojanDropper:Win32/Pistolar!pz also known as:

Bkav W32.AIDetectMalware
Elastic malicious (moderate confidence)
MicroWorld-eScan Trojan.Generic.8121236
CAT-QuickHeal Trojan.AutoIt.Pistolar.A
Skyhigh BehavesLike.Win32.Spyware.gc
McAfee Autoit.Dropper.gen.a
Malwarebytes Generic.Malware.AI.DDS
Zillya Trojan.AutoIT.Win32.152520
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 700000111 )
K7GW Trojan ( 700000111 )
Cybereason malicious.75806f
Arcabit Trojan.Generic.D7BEB94
Baidu AutoIt.Worm.Agent.a
VirIT Trojan.Win32.Autoit.ES
Symantec W32.SillyFDC
ESET-NOD32 Win32/Autoit.HZ
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Malware.Autoit-6981134-0
Kaspersky Trojan.Win32.Autoit.blz
BitDefender Trojan.Generic.8121236
NANO-Antivirus Trojan.Script.AutoIt.dbycns
Avast AutoIt:Agent-DP [Trj]
Emsisoft Trojan.Generic.8121236 (B)
F-Secure Trojan.TR/Dropper.Gen
DrWeb BackDoor.IRC.Bot.3238
VIPRE Trojan.Generic.8121236
Sophos W32/AutoIt-QA
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.MSIL.Zapchast.ag
Varist W32/AutoIt.WG.gen!Eldorado
Avira TR/Dropper.Gen
MAX malware (ai score=82)
Antiy-AVL Trojan/Win32.Graftor.fu
Kingsoft malware.kb.b.962
Xcitium TrojWare.Win32.Autoit.n@4p0xzq
Microsoft TrojanDropper:Win32/Pistolar!pz
ZoneAlarm Trojan.Win32.Autoit.blz
GData Trojan.Generic.8121236
Google Detected
AhnLab-V3 Win-Trojan/Autoit.305824
BitDefenderTheta AI:Packer.05DA809615
VBA32 Worm.Autoit.Rush
Cylance unsafe
Panda Trj/Autoit.gen
Rising Dropper.Pistolar/Autoit!1.A603 (CLASSIC)
Ikarus Worm.Win32.AutoIt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Graftor.FU!tr
AVG AutoIt:Agent-DP [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove TrojanDropper:Win32/Pistolar!pz?

  • 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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