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UNINSTALL.exe Trojan Wacatac Analysis

Updated 1 month ago
Checked by Malware Check
UNINSTALL.exe

Technical Analysis

File Name UNINSTALL.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.229.174
Database Version 2025-11-19 13:00:20 UTC
⚠

Trojan.Win32.Wacatac.oa!s1

Malware family: Wacatac

Wacatac malware demonstrates multiple malicious capabilities including data theft, system compromise, and secondary payload deployment. It can download additional malware components including ransomware to extend attack impact.
N/A
Detection Rate
14,841,058
File Size (bytes)
2025-11-19
Analysis Date

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File Identification

Hash Type Value Action
MD5
20c534fb430cd2eb632734a00463b011
SHA1
e786a0e0eb2553fdf6ea63d1aadb9039cb5ae2e6
SHA256
d394f0b2a54546c44c880068310b081f9dc0c443ff7865c8216179ee14b443ad
SHA512
97cf2e7ce40a79a39efbee2c6c5dbb44c4d97dad496ca7b99f4cc2c317ce6f6fb39aeb2ed38e5d34a49bccffac4ab40b70307ded0cdbe00d59837d93a2db0474
ImpHash
3cbd26f7129b578c97ad3b7168086223

PE Analysis

Basic Information

▼
Icon
Hash: 5a651237ee8581c93d8e0585f5eb98d9
Fuzzy: abd592fe5b6f602d24a860ddcf397713
dHash: 1379796d17170b33
Image Base 0x00400000
Entry Point 0x00406c1d
Compilation Time 2023-11-13 02:03:35
Checksum 0x00000000 (Actual: 0x00e3172a)
OS Version 6.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 5 libraries
KERNEL32, USER32, GDI32, ADVAPI32, SHELL32
Exports 0 functions
Resources 30 Resources
Sections 5 Sections

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 71,994 bytes 72,192 bytes 6.60 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 286F0A5FC1AA92554C8D2694C461D6EB
.rdata 0x00013000 35,376 bytes 35,840 bytes 5.21 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 3AF84F8199EC9F62772D5BEE32384B45
.data 0x0001c000 298,440 bytes 33,280 bytes 4.29 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 54EF18E44F16CF4D60C61EB19FA9801A
.rsrc 0x00065000 293,000 bytes 293,376 bytes 6.13 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ CE00D92C66D1ABBFE5A041FDE6AA1C9D
.reloc 0x000ad000 10,228 bytes 10,240 bytes 6.43 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 3835BA6719A34CE9B058381E22B33585
Entropy Analysis Alert

1 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

▼
Total Resources: 30 (291,423 bytes)
Resource Type Count Total Size Percentage
RT_ICON 27 290,306 bytes
99.6%
RT_STRING 1 84 bytes
0%
RT_GROUP_ICON 1 384 bytes
0.1%
RT_MANIFEST 1 649 bytes
0.2%

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

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

Trojan.Win32.Wacatac.oa!s1 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Wacatac.oa!s1 without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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