GridinSoft Threat Intelligence

redbook.sys threat report

Detected as General Threat File reputation report
MD5 68d749b04bfbbd4d4d15cc5185afa4dd
Latest seen 2022-06-14 23:24:40 (3 years ago)
First seen 2022-06-14 23:24:40 (3 years ago)
Size 56 KB
Publisher Microsoft Corporation
Product Sistema operacional Microsoft® Windows®

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as General Threat. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.

Detection name
General Threat
Recommended action
Scan and remove
Last analysis
2022-06-14 23:24:40 (3 years ago)
File hash
68d749b04bfbbd4d4d15cc5185afa4dd
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as General Threat.

Timeline

First seen 2022-06-14 23:24:40 (3 years ago); latest analysis 2022-06-14 23:24:40 (3 years ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Sistema operacional Microsoft® Windows®.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.

File context

redbook.sys is a Windows file recorded in the ThreatInfo database. It is associated with Sistema operacional Microsoft® Windows®. The reported company name is Microsoft Corporation. The current detection status is General Threat, based on the latest analysis from 2022-06-14 23:24:40 (3 years ago).

If redbook.sys appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as General Threat.

File Details

Product Name: Sistema operacional Microsoft® Windows®
Company Name: Microsoft Corporation
MD5: 68d749b04bfbbd4d4d15cc5185afa4dd
Size: 56 KB
First Published: 2022-06-14 23:24:40 (3 years ago)
Latest Published: 2022-06-14 23:24:40 (3 years ago)
Status: General Threat (on last analysis)
Analysis Date: 2022-06-14 23:24:40 (3 years ago)

Detection screenshot

redbook.sys detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

Common Places:

%system%

ThreatInfo has observed redbook.sys in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

Geographic signal

Observed country distribution

ThreatInfo has seen redbook.sys across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Brazil
Share 100.0%
Low High activity

The strongest geographic signal for this file is Brazil with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 100.0%

The most common operating system signal for redbook.sys is Windows 7 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

Analysis

redbook.sys is identified as pe for 32-bit systems. The subsystem is Native. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 32-bit
Subsystem Native
Entry point 0x0000b785
Image base 0x00010000

PE Sections:

Sections 9
Raw data 57344

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 6784 bytes · 11.8% of section data
MD5 2f65a6d172b863d55d0c18f356918438
.rdata 1792 bytes · 3.1% of section data
MD5 d375e5e27f10d144ce89d5bb516d71f7
.data 1152 bytes · 2.0% of section data
MD5 c024cfa98213cf8eafa8cffd77e31069
PAGE 34432 bytes · 60.0% of section data
Uncommon name
MD5 234e863353f14404d1d7ff8e1e81c3f7
PAGERW 1664 bytes · 2.9% of section data
Uncommon name
MD5 9e6ba6ab04abc155e2b4bb36a0c33cbb
PAGECONS 256 bytes · 0.4% of section data
Uncommon name
MD5 e75c1b73974435fc7693ab6c07530a96
INIT 2048 bytes · 3.6% of section data
Uncommon name
MD5 99ebe3d03b1d6afb12ac2c57daf413b2
.rsrc 6016 bytes · 10.5% of section data
MD5 7de7ef4f8bf75acbacfc8b9866041125
.reloc 3200 bytes · 5.6% of section data
MD5 107b2c1386b547601bd4fd107a4a826a

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

Report conclusion

GridinSoft detects this file as General Threat

This report identifies redbook.sys by MD5 68d749b04bfbbd4d4d15cc5185afa4dd. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 68d749b04bfbbd4d4d15cc5185afa4dd.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found.