Trojan

What is “Trojan.Win32.Chapak.eisn”?

Malware Removal

The Trojan.Win32.Chapak.eisn 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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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.Win32.Chapak.eisn virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • A process attempted to delay the analysis task.
  • Expresses interest in specific running processes
  • Unconventionial language used in binary resources: Norwegian (Bokmal)
  • The binary likely contains encrypted or compressed data.
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

Related domains:

robotatten.com

How to determine Trojan.Win32.Chapak.eisn?


File Info:

crc32: 305193FA
md5: e2bcfb552fd8fdb88da751306f4bea2a
name: mahjong-game-free-download-windows.exe
sha1: b99331f2858f7ee67ea907419c0769fe2279b672
sha256: 025f3da46d16a6a0179a27b0f26d082e29358254a22e6af887b03106e9e9048c
sha512: 31746515c1278da7a61e6d3a189eb42415265d6d5b364773bd3abd6284d5d7782792c1a357c20e18aca1820db17ea160eec9fa406c2f1019c322de390f262767
ssdeep: 98304:GTem0/0ZJcFMftGfLnmzI8WhE5trD8EK5kzgktXM5G5BCIFV:40c7uMlgYI8W255DImkkfXL
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0115 0x0099

Trojan.Win32.Chapak.eisn also known as:

MicroWorld-eScanTrojan.GenericKD.33281410
FireEyeGeneric.mg.e2bcfb552fd8fdb8
McAfeeArtemis!E2BCFB552FD8
CylanceUnsafe
AegisLabTrojan.Win32.Malicious.4!c
SangforMalware
BitDefenderTrojan.GenericKD.33281410
Cybereasonmalicious.2858f7
Invinceaheuristic
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:DropperX-gen [Drp]
GDataTrojan.GenericKD.33281410
KasperskyTrojan.Win32.Chapak.eisn
NANO-AntivirusTrojan.Win32.Kryptik.hatlnk
RisingTrojan.Obfuscated!1.9A68 (CLOUD)
Ad-AwareTrojan.GenericKD.33281410
EmsisoftTrojan.GenericKD.33281410 (B)
F-SecureTrojan.TR/AD.GoCloudnet.gijsl
DrWebTrojan.DownLoader33.1805
VIPRELookslike.Win32.Sirefef.c!ag (v)
McAfee-GW-EditionBehavesLike.Win32.PdfCrypt.wc
Trapminesuspicious.low.ml.score
SophosMal/Generic-S
IkarusTrojan.Win32.Krypt
CyrenW32/Trojan.HUZO-5845
WebrootW32.Trojan.Gen
AviraTR/AD.GoCloudnet.gijsl
MAXmalware (ai score=100)
Endgamemalicious (high confidence)
ArcabitTrojan.Generic.D1FBD582
ZoneAlarmTrojan.Win32.Chapak.eisn
MicrosoftTrojan:Win32/Vigorf.A
AhnLab-V3Malware/Win32.Generic.R325924
ALYacTrojan.GenericKD.33281410
MalwarebytesTrojan.MalPack.GS
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Kryptik.HBDJ
TencentWin32.Trojan.Chapak.Akfc
SentinelOneDFI – Malicious PE
eGambitUnsafe.AI_Score_59%
FortinetPossibleThreat.MU
AVGWin32:DropperX-gen [Drp]
CrowdStrikewin/malicious_confidence_70% (W)
Qihoo-360Generic/Trojan.f69

How to remove Trojan.Win32.Chapak.eisn?

Trojan.Win32.Chapak.eisn 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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