Categories: Malware

Jaiko.2803 removal instruction

The Jaiko.2803 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 Jaiko.2803 virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • Mimics the system’s user agent string for its own requests
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Detects Sandboxie through the presence of a library
  • Detects the presence of Wine emulator via function name
  • Deletes its original binary from disk
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Installs itself for autorun at Windows startup
  • Attempts to identify installed analysis tools by a known file location
  • Checks for the presence of known devices from debuggers and forensic tools
  • Detects the presence of Wine emulator via registry key
  • Detects Sandboxie using a known mutex
  • Checks the version of Bios, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a device
  • Detects VirtualBox through the presence of a registry key
  • Detects VMware through the presence of a device
  • Detects VMware through the presence of a registry key
  • Detects Virtual PC using a known mutex
  • Creates a copy of itself
  • Checks for a known DeepFreeze Frozen State Mutex
  • Collects information to fingerprint the system

Related domains:

glassandwaterproof.com
mysecureandoptimize.com

How to determine Jaiko.2803?


File Info:

crc32: 310FC581md5: a4b578994320b67bb00c58ed03d43bb8name: A4B578994320B67BB00C58ED03D43BB8.mlwsha1: 67c0e3690fd11390dd820787515c651753f44c43sha256: 5618645e504b22b2eb10a2e822bbcc67806350c2b706fc9f4879ef02302fe7e8sha512: 41867fbf9965df38ec90a0024f848cf94c153808d06c2fa15536f78ce8639e5c45f5c13bd4e79ceee082861c2ee3016f76ba1e2aa741375f0a18b7b0d8eb7898ssdeep: 6144:JDAqMQi6fWQA2WeBCejxFHS9Wmo3jwaOTMNKyb5pmFGPE:VMQi6fWe5Cej/H3PTwaOTKKyb5gstype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9Informer Technologies, Inc. 1995-Present InternalName: VlCompanyName: Informer Technologies, Inc.PrivateBuild: 3.4.3.2Comments: Peopleware DestroyingProductName: VlProductVersion: 3.4.3.2FileDescription: Peopleware DestroyingOriginalFilename: VlTranslation: 0x0409 0x04b0

Jaiko.2803 also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Spyware ( 004dc4921 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.11620
Cynet Malicious (score: 100)
ALYac Gen:Variant.Jaiko.2803
Cylance Unsafe
Zillya Trojan.Yakes.Win32.70178
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba TrojanSpy:Win32/Yakes.15eb4524
K7GW Spyware ( 004dc4921 )
Cybereason malicious.94320b
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Spy.Zbot.ACM
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan.Win32.Yakes.sdli
BitDefender Gen:Variant.Jaiko.2803
NANO-Antivirus Trojan.Win32.Yakes.ekiadr
MicroWorld-eScan Gen:Variant.Jaiko.2803
Tencent Win32.Trojan.Yakes.Lneb
Ad-Aware Gen:Variant.Jaiko.2803
Sophos Mal/Generic-S
Comodo Malware@#13jneuml53ew5
BitDefenderTheta Gen:NN.ZexaF.34722.wu0@aWobCSei
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPLOCKY.SME
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.a4b578994320b67b
Emsisoft Gen:Variant.Jaiko.2803 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Yakes.tvs
Avira HEUR/AGEN.1114517
Antiy-AVL Trojan/Generic.ASMalwS.1DE597C
Kingsoft Win32.Troj.Gener.(kcloud)
Microsoft Trojan:Win32/Vigorf.A
AegisLab Trojan.Win32.Yakes.4!c
GData Gen:Variant.Jaiko.2803
AhnLab-V3 Trojan/Win32.Locky.R192852
Acronis suspicious
McAfee PWSZbot-FAXM!A4B578994320
MAX malware (ai score=100)
VBA32 BScope.Trojan-Ransom.SageCrypt
Malwarebytes MachineLearning/Anomalous.95%
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_HPLOCKY.SME
Rising Trojan.Generic@ML.100 (RDML:hr6TyN50ro4JBSYZ8fpd0Q)
Yandex Trojan.Yakes!BJvzNuIzGmo
Ikarus Trojan-Ransom.GandCrab
Fortinet W32/Zbot.ACM!tr.spy
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Jaiko.2803?

  • 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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