Categories: Malware

Malware.AI.3771281797 (file analysis)

The Malware.AI.3771281797 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 Malware.AI.3771281797 virus can do?

  • Executable code extraction
  • At least one process apparently crashed during execution
  • Attempts to connect to a dead IP:Port (4 unique times)
  • Creates RWX memory
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Sniffs keystrokes
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity
  • A process attempted to delay the analysis task by a long amount of time.
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Network activity contains more than one unique useragent.
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Created a service that was not started
  • Anomalous binary characteristics

Related domains:

www.wk1888.com
www.af0575.com
www.fz0575.com
www.lang32.com
users.qzone.qq.com

How to determine Malware.AI.3771281797?


File Info:

crc32: 81FEA2B7md5: 262936a46f6130dcd0415a530d885080name: 262936A46F6130DCD0415A530D885080.mlwsha1: cc23e5e2a922d108dab2e3ffd74d2f7204716394sha256: f412d1a1fdbdfc220858b5ade4daa2816bbf804889adc26b0e3697436425457bsha512: 953753f963999c7d2819af8ef6a157c679d2039ed109678a04671245de1314b2ea20f2a9a0baff13f0c90d3cdd3fa17ae98c9daf0972922c0e4d3428a8821be4ssdeep: 6144:tQqk65TjmDIqpV5LBZJveaCzlH8KQALPsL2lJbZJ:P54dpVZJ/CzPQAA2ltZJtype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Malware.AI.3771281797 also known as:

K7AntiVirus Trojan-Downloader ( 0055e3da1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader19.23899
Cynet Malicious (score: 99)
CAT-QuickHeal Trojan.Magania.18692
ALYac MemScan:Trojan.GenericKDZ.41799
Sangfor Trojan.Win32.Save.a
K7GW Trojan-Downloader ( 0055e3da1 )
Cybereason malicious.46f613
Baidu Multi.Threats.InArchive
Cyren W32/Trojan.IM.gen!Eldorado
Symantec Backdoor.Trojan
ESET-NOD32 multiple detections
Zoner Trojan.Win32.83819
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Farfli-9811912-0
Kaspersky Backdoor.Win32.Farfli.adnj
BitDefender MemScan:Trojan.GenericKDZ.41799
NANO-Antivirus Trojan.Win32.Dwn.eahibw
MicroWorld-eScan MemScan:Trojan.GenericKDZ.41799
Tencent Win32.Trojan.Obfuscator.Hoyj
Ad-Aware MemScan:Trojan.GenericKDZ.41799
Sophos Troj/AutoG-JE
Comodo TrojWare.Win32.Agent.PDSB@4q3i1w
BitDefenderTheta Gen:NN.ZexaF.34690.cq0@aap0jngb
TrendMicro BKDR_ZEGOST.SM50
McAfee-GW-Edition BackDoor-EMA.gen.e
FireEye MemScan:Trojan.GenericKDZ.41799
Emsisoft MemScan:Trojan.GenericKDZ.41799 (B)
Jiangmin Trojan/Dialer.mgr
Avira HEUR/AGEN.1124319
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Dorv.A
Arcabit Trojan.Generic.DA347
ZoneAlarm HEUR:Trojan.Win32.Farfli.gen
GData Win32.Trojan-Downloader.Agent.WC
AhnLab-V3 Trojan/Win.Generic.C4430134
McAfee GenericRXGZ-NM!BBE5AADE113D
MAX malware (ai score=82)
VBA32 BScope.Trojan.Downloader
Malwarebytes Malware.AI.3771281797
TrendMicro-HouseCall BKDR_ZEGOST.SM50
Rising Backdoor.Lotok!8.111D5 (TFE:dGZlOgUxSVLe92Su/g)
Yandex Trojan.GenAsa!puNbw774luA
Ikarus Trojan-Downloader.Win32.Agent
Fortinet W32/Agent.BVS!tr
AVG Win32:Malware-gen

How to remove Malware.AI.3771281797?

  • 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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