The Backup_Restore_userfolders.exe (BCK-RST) File Analysis

Updated 3 months ago

Checked by Malware Check

Backup_Restore_userfolders.exe

Technical Analysis

File Name	Backup_Restore_userfolders.exe
File Type	Win32 EXE
Magic Bytes	`PE32+ executable (GUI) x86-64, for MS Windows`
SSDEEP Hash	3072:3OVB4LRTEANBwX414O5ZxQiROpBoWXWr/oHSkvTLxF:aBiRTEAK3KxhROHJXNykbz
Scanner Version	1.0.225.174
Database Version	2025-09-20 12:00:26 UTC

⚠

Suspicious File Detected

Detected by 4 security engines - requires caution

This file requires additional checking for potential threats. Based on suspicious indicators, we will soon add it to our virus database.

Detection Rate

155,648

File Size (bytes)

4/71

Engines Detected

2025-09-20

Analysis Date

Scan Another File

File Identification

Hash Type	Value	Action
MD5	a564e6ffceca79772ae22979ddaa7bd1
SHA1	29f9760421954bbd7b306b7db4233b6e25167d0c
SHA256	4e6f4e99ceb14db865780905588e1c2e704be95758645c90234a3f7751ba86b4
SHA512	5dea3c1c85160423c63bd9d981bc8473720b76615ceca2262f6fcbab0a5ea9625c56811b98fbd0630c0e94c78cd7eff3e0a6b930861d4578439f8b7174ff75b1
ImpHash	9da7080b9b697496fd4f41997e8bd436

Security Engines with Detections (4 of 71)

Zillya

Backdoor.Androm.Win32.119692 Malicious

Microsoft

Trojan:Win32/Wacatac.C!ml Malicious

AhnLab-V3

Downloader/Win.Powershell.C5735725 Malicious

Tencent

Malware.Win32.Gencirc.11e1c1c0 Malicious

67 engines reported no threats - Only engines with detections are shown above for clarity

PE Analysis

Basic Information

▼

Icon	Hash: a870bb8ee5b20745634386e55b76b3b0 Fuzzy: 9cce37aedc007482cc5835207e2f484a dHash: 0f172b4d4d6b170f
Image Base	`0x140000000`
Entry Point	`0x140001300`
Compilation Time	2001-11-17 14:11:13
Checksum	0x00035977 (Actual: 0x00035977)
OS Version	10.0
PEiD Signatures	`PE32+ executable (GUI) x86-64, for MS Windows`
PDB Path	`wextract.pdb`
Digital Signature	No valid SignedData structure was found.
Imports	8 libraries ADVAPI32, KERNEL32, GDI32, USER32, msvcrt, COMCTL32, Cabinet, VERSION
Exports	0 functions
Resources	32 Resources
Sections	7 Sections

Version Information

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CompanyName	FreeTools by U.G.
FileDescription	BCK-RST
FileVersion	11.00.26100.4484 (WinBuild.160101.0800)
InternalName	BCK-RST
LegalCopyright	FreeTools by U.G.
OriginalFilename	BCK-RST.exe
ProductName	BCK-RST
ProductVersion	11.00.26100.4484
Translation	0x0409 0x04b0
CompanyName	FreeTools by U.G.
FileDescription	BCK-RST
FileVersion	11.00.26100.4484 (WinBuild.160101.0800)
InternalName	BCK-RST
LegalCopyright	FreeTools by U.G.
OriginalFilename	BCK-RST.exe
ProductName	BCK-RST
ProductVersion	11.00.26100.4484
Translation	0x0410 0x04b0

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	36,016 bytes	36,864 bytes	6.07 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`0217D34959BD14175614E427C3BB190E`
`fothk`	`0x0000a000`	4,096 bytes	4,096 bytes	0.02 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`3E0748234244EC6A7D0E6AC9F84C6DFD`
`.rdata`	`0x0000b000`	10,888 bytes	12,288 bytes	4.41 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`F219E80B90E0C3CEE8FDBAE545278004`
`.data`	`0x0000e000`	8,288 bytes	4,096 bytes	1.05 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`158424ED40B5E3DAF92C419328534714`
`.pdata`	`0x00011000`	1,200 bytes	4,096 bytes	1.61 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`D7062CA56E9339A816CE3B7EF0E31BC9`
`.rsrc`	`0x00012000`	82,954 bytes	86,016 bytes	5.59 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`B3EEC7854A439026FED58E751A517FC5`
`.reloc`	`0x00027000`	224 bytes	4,096 bytes	0.37 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_READ`	`6E2B23B4D65D2B4DCCEFB4E28F5C25DA`

Resource Analysis

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Total Resources: 32 (80,924 bytes)

Resource Type	Count	Total Size	Percentage
AVI	1	11,802 bytes	14.6%
RT_ICON	1	51,240 bytes	63.3%
RT_DIALOG	6	2,706 bytes	3.3%
RT_STRING	6	7,182 bytes	8.9%
RT_RCDATA	14	4,432 bytes	5.5%
RT_GROUP_ICON	1	20 bytes	0%
RT_VERSION	2	1,520 bytes	1.9%
RT_MANIFEST	1	2,022 bytes	2.5%

Certificate Chain Analysis

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Certificate Information

Product	BCK-RST
Description	BCK-RST
File Version	11.00.26100.4484 (WinBuild.160101.0800)
Original Name	BCK-RST.exe
Internal Name	BCK-RST
Copyright	FreeTools by U.G.

✓ 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

Gridinsoft Anti-Malware has a much more powerful virus scanning engine. We recommend using it for a more precise diagnosis of infected systems. This brief guide will help you install our flagship product for more accurate diagnostics:

Download Anti-Malware

Keep Your System Protected

This file appears clean, but regular security maintenance is important

Regular Scans: Run weekly system scans to detect new threats before they can cause damage.
Keep Software Updated: Ensure your operating system and all applications have the latest security patches.
Safe Browsing: Avoid suspicious websites and never download software from untrusted sources.
Email Security: Be cautious with email attachments and links, even from known contacts.

Proactive Protection

4 antivirus engines detected potential threats. This could be a false positive, especially for system tools or packed software. Verify the file source and check if it's digitally signed by a trusted publisher.

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