Trojan

How to remove “Trojan.Chrop”?

Malware Removal

The Trojan.Chrop 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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 Trojan.Chrop virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Scheduled file move on reboot detected
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • 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.
  • Authenticode signature is invalid
  • A ping command was executed with the -n argument possibly to delay analysis
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Transacted Hollowing
  • Created a process from a suspicious location
  • Steals private information from local Internet browsers
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup
  • Likely virus infection of existing system binary
  • Creates a copy of itself

Related domains:

interestourflash.info

How to determine Trojan.Chrop?


File Info:

name: 3979F2C6D7FAA6B7BD20.mlw
path: /opt/CAPEv2/storage/binaries/c136c22f0aaecddf2485e6e274d4ceba9777592bbf3258bddbbff9026f516887
crc32: F891E8A0
md5: 3979f2c6d7faa6b7bd203f9780d3f994
sha1: 212fb7df2907586fe2d5a79ce950bcd34a7ff18b
sha256: c136c22f0aaecddf2485e6e274d4ceba9777592bbf3258bddbbff9026f516887
sha512: 580a2f2fcaefcaf902bd2867fc34be999ca3e6ed7f7ea38b3bb6c3901d3e1ff8ccbce56a00d7bd94068e4bf4125d0f0f71ba7bcca6dc6d238f6926f6c7f5a69d
ssdeep: 49152:afj1a+0WuCKgbzkPqiEeQpIR4pJMsYM1BERlOY:afprZmWz8EeQpIR4pJM+/ERQY
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T12595F131AF5490BADF7312348B3719E8D5362D31B8209AAE12F47D3DDFB4742A41AB16
sha3_384: e984e6f0389ff64f01f8b22a7dc446a742b6bd8247db8326d53447091f8391d04967fa50c00a55a02435a3c1dbd1bf77
ep_bytes: 558bec6aff6860785700685652570064
timestamp: 2021-10-17 00:22:02

Version Info:

CompanyName: MindGems, Inc.
FileVersion: 4.1.0.1
LegalCopyright: MindGems, Inc.
ProductVersion: 4.0.0.0
Translation: 0x0409 0x04e4

Trojan.Chrop also known as:

BkavW32.AIDetect.malware1
LionicTrojan.Win32.Chrop.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Fragtor.33027
FireEyeGeneric.mg.3979f2c6d7faa6b7
McAfeeGenericRXQB-CK!3979F2C6D7FA
MalwarebytesTrojan.Dropper
K7AntiVirusTrojan ( 0058214e1 )
AlibabaTrojan:Win32/Chrop.6ce87113
K7GWTrojan ( 0058214e1 )
CyrenW32/Kryptik.FOC.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.HLIQ
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Trojan.Win32.Chrop.gen
BitDefenderGen:Variant.Fragtor.33027
TencentWin32.Trojan.Chrop.Lkxt
Ad-AwareGen:Variant.Fragtor.33027
SophosMal/Generic-S
DrWebTrojan.Siggen15.50805
TrendMicroTROJ_GEN.R002C0PKN21
McAfee-GW-EditionBehavesLike.Win32.Generic.tc
EmsisoftGen:Variant.Fragtor.33027 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1145346
GridinsoftRansom.Win32.Wacatac.sa
MicrosoftTrojan:Win32/Tiggre!rfn
ViRobotTrojan.Win32.Z.Fragtor.1982464.A
GDataWin32.Trojan.PSE.1FFWZQI
CynetMalicious (score: 100)
AhnLab-V3Adware/Win.Generic.R425898
ALYacGen:Variant.Fragtor.33027
MAXmalware (ai score=80)
VBA32Trojan.Chrop
PandaTrj/GdSda.A
TrendMicro-HouseCallTROJ_GEN.R002C0PKN21
RisingTrojan.Kryptik!1.AA55 (CLASSIC)
YandexTrojan.Chrop!bf8r/F3e3YI
IkarusWin32.Outbreak
FortinetW32/Kryptik.HATU!tr
AVGWin32:Trojan-gen
AvastWin32:Trojan-gen
CrowdStrikewin/malicious_confidence_70% (W)

How to remove Trojan.Chrop?

Trojan.Chrop removal tool
  • 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.

About the author

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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