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gearext.sys

INSAFE

The file gearext.sys by INSAFE has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows kernel mode device driver named “gearext”.
Publisher:
INSAFE  (signed and verified)

MD5:
1470a2e5c02f5f8501bc0d160895cf91

SHA-1:
f52e1ac690c1aa4f7320c83f7a5f9284fe419e63

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.

Analysis date:
12/26/2024 5:42:19 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.3.3.17

File size:
10.4 KB (10,688 bytes)

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\gearext.sys

Digital Signature
Signed by:
INSAFE

Authority:
Thawte, Inc.

Valid from:
9/11/2013 9:00:00 AM

Valid to:
9/12/2014 8:59:59 AM

Subject:
CN=INSAFE, OU=IT Team, O=INSAFE, L=Gangnam-gu, S=SEOUL, C=KR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
3E4F1F53251433D38DEC22008A6B91D8

File PE Metadata
Compilation timestamp:
12/9/2013 5:16:08 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0x103E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 64, F9, FF, FF, CC, CC, 78, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 8C, 11, 00, 00, 00, 0E, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B4, 10, 00, 00, C8, 10, 00, 00, D6, 10, 00, 00, F2, 10, 00, 00, 02, 11, 00, 00, 1A, 11, 00, 00, 2A, 11, 00, 00, 40, 11, 00, 00, 4A, 11, 00, 00, 6A, 11, 00, 00, 74, 11, 00, 00, 7E, 11, 00, 00, 9A, 11, 00, 00, A6, 11, 00, 00, 00, 00, 00, 00, 19, 05, 5A, 77, 44, 65, 6C, 65, 74, 65...
 
[+]

Entropy:
6.8298

Code size:
2.9 KB (2,944 bytes)

Driver
Display name:
gearext

Type:
Kernel device driver (KernelDriver)


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