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megadownloader.exe

Kinukaroh

Opti-Connector (New Media Holdings Ltd)

The application megadownloader.exe, “Kinukaroh Setup ” by Opti-Connector (New Media Holdings) has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from www.giftchuckleflash.com.
Publisher:
Napihigub   (signed by Opti-Connector (New Media Holdings Ltd))

Product:
Kinukaroh

Description:
Kinukaroh Setup

Version:
2.7.4.2

MD5:
288f25e02891ae6bee6f829f6fec9879

SHA-1:
50574e8dc5af720c943961b56cfcd13fe2f7ab39

SHA-256:
96490326f185ddc46af0ee304fd78b68b133c93af8a7c16c7bab2879419d4091

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/25/2024 1:22:28 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH (M)
16.8.11.0

File size:
956.8 KB (979,760 bytes)

Product version:
1.3.2

Copyright:
Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\megadownloader.exe

Digital Signature
Signed by:
Opti-Connector (New Media Holdings Ltd)

Authority:
GlobalSign nv-sa

Valid from:
3/14/2016 8:17:28 PM

Valid to:
6/25/2017 3:58:45 PM

Subject:
CN=Opti-Connector (New Media Holdings Ltd), O=Opti-Connector (New Media Holdings Ltd), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121514827CB46F6E7CA11FEEC66DEF15479

File PE Metadata
Compilation timestamp:
6/20/1992 2:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:IRxlSfTfQWE1xCIFDWhhRpz4ac+zJGQrjQ8m70PFFC:IRPOUlaJ/V++IY5u0PFF

Entry address:
0xAA98

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 2E, 86, FF, FF, E8, 35, 98, FF, FF, E8, 9C, 9B, FF, FF, E8, B7, 9F, FF, FF, E8, 56, BF, FF, FF, E8, ED, E8, FF, FF, E8, 54, EA, FF, FF, 33, C0, 55, 68, 69, B1, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 32, B1, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, D0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, C2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, 24, 93, FF, FF, 8D, 55, F0, 33, C0, E8, 66, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9342

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
40.5 KB (41,472 bytes)

The file megadownloader.exe has been seen being distributed by the following URL.

http://www.giftchuckleflash.com/TehgYgUS OyWnogoiQGyFSCyRKZyxuQhf_aRr4W4Prda7SAl1AHhtx8NkBtrOVfjS_lhShdrtHx20606FdmiAjeBc1sKJMTqUuuSPRTd8Q_lNpBl0AAhDepj 0SSwpn_7fH5ExFYoAN_PYDEJG14lqcQO72gYifKFjotYud3K8Mm1IExb5AzSIqNIs6jCK7EVX4IAknm-G1UAAGRgnq0tij5AmMiBS0SBth0Qntn2uXu9bkvAF9xfLtfVqWiLDDqvt3Piu36A699aer4EandED5MbTp_b2fpe1ZbZvf9bYC0gOEkxDI7iDA==

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