The Natsuiro Lesson.exe (FalayCore — Sync Helper) File Analysis

Updated 2 hours ago

Checked by Malware Check

Natsuiro Lesson.exe

Technical Analysis

File Name	Natsuiro Lesson.exe
File Type	PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
Scanner Version	1.0.249.174
Database Version	2026-06-25 21:00:15 UTC

✓

Clean File

No threats detected by our scanner

Detection Rate

77,454,385

File Size (bytes)

2026-06-25

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	142fec413e0481edb035253640390294
SHA1	b8714f08cf82eb82250bc7f261028d77255a5a0e
SHA256	b825fd216c3dad93fb43b89378623901f9f1cfa99eac5acce081c5e00c1107a6
SHA512	0ad9fa34f0accbe0b146834f8e38efad5e8c46a313b70ddf42116159018fd546d4ae5e5e667f881bf06d2cd35dda825163317e65bc395997a49e1cc391f0df7c
ImpHash	b34f154ec913d2d2c435cbd644e91687

PE Analysis

Basic Information

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Icon	Hash: 6d345a2d18a737105b8a673c950463bb Fuzzy: 4a039548c40df7f264a87301ff29c38d dHash: b2a89c96a2cada72
Image Base	`0x00400000`
Entry Point	`0x0040338f`
Compilation Time	2018-12-15 22:26:14
Checksum	0x049eb835 (Actual: 0x049eb835)
OS Version	4.0
PEiD Signatures	`PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive`
Digital Signature	No valid SignedData structure was found.
Imports	7 libraries KERNEL32, USER32, GDI32, SHELL32, ADVAPI32, COMCTL32, ole32
Exports	0 functions
Resources	4 Resources
Sections	5 Sections

Version Information

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CompanyName	Fosef Labs
FileDescription	FalayCore — Sync Helper
FileVersion	13129
LegalCopyright	© 2025 Kuconito Software
ProductName	FalayCore
ProductVersion	12.43.975
Translation	0x0409 0x04e4

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	26,151 bytes	26,624 bytes	6.45 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`7618D4C0CD8BB67EA9595B4266B3A91F`
`.rdata`	`0x00008000`	5,282 bytes	5,632 bytes	5.03 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`EECAC1FED9CC6B447D50940D178404D8`
`.data`	`0x0000a000`	462,840 bytes	1,536 bytes	4.04 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`DB8F31A08A2242D80C29E1F9500C6527`
`.ndata`	`0x0007b000`	589,824 bytes	0 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_UNINITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`D41D8CD98F00B204E9800998ECF8427E`
`.rsrc`	`0x0010b000`	2,061 bytes	2,560 bytes	3.70 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`088706BA482B7DC753263FCB1A04F898`

Resource Analysis

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Total Resources: 4 (1,757 bytes)

Resource Type	Count	Total Size	Percentage
RT_ICON	1	744 bytes	42.3%
RT_GROUP_ICON	1	20 bytes	1.1%
RT_VERSION	1	604 bytes	34.4%
RT_MANIFEST	1	389 bytes	22.1%

Certificate Chain Analysis

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Certificate Information

Product	FalayCore
Description	FalayCore — Sync Helper
File Version	13129
Copyright	© 2025 Kuconito Software

✓ This file has been digitally signed and the certificate chain has been verified

The signature ensures file integrity and authenticity from the publisher
Timestamping proves when the signature was applied

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Remember: This is Result of Online Virus Scanner

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Keep Your System Protected

This file appears clean, but regular security maintenance is important

1
Weekly Quick Scans: Set a reminder to run a scan every Sunday. Most infections are caught within the first week, so regular checks give you peace of mind.
2
Update Everything: Those annoying update popups exist for a reason — they patch security holes. Windows, browsers, Adobe, Java — keep them all current.
3
Download Smart: Stick to official websites and app stores. If a "free" version of paid software sounds too good to be true, it probably comes with unwanted extras.
4
Think Before You Click: Malware loves email attachments and "urgent" links. Even if an email looks like it's from your bank or a friend, verify suspicious requests through a different channel.

Proactive Protection

This file looks clean right now, but that doesn't mean you should let your guard down. New malware appears daily, and even legit files can be compromised after download. When in doubt, verify the source and check for a digital signature.

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